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Three Essays in Industrial Organization and Labor EconomicsRempel, Max 21 April 2010 (has links)
The dissertation is comprised of three papers. In the first two Chapters, I analyze the importance of competition, preference heterogeneity, and socio-economic/country-specific factors to explain the differences in penetration rates of mobile phone services across EU
Member States. Chapter 1 presents a model of demand and supply for mobile phone services in which products are perceived as homogenous but consumers are heterogeneous with respect to their valuation of the services. Once a service is purchased, consumers (temporarily) leave the market. The parameters which govern the distribution of preferences are allowed to vary by country and will be estimated as part of the demand specification. The model matches the data well and is able to replicate the observed u-shape in the coefficient of variation in penetration rates over the sample period. Using the demand parameters, consumer acquisition costs are backed out and counterfactual experiments performed. I find that preference heterogeneity and differences in the cost of consumer acquisition explain most of the variation in penetration rates across countries. Competition and other control variables, such as the price of fixed-line calls, play only a minor role.
In Chapter 2 I relax the assumption that firms are perceived as homogenous and model them as differentiated products. I incorporate endogenous population weights in a standard random coefficients logit model to capture changes in the demographic composition of potential buyers over time due to the (temporary) market exit of adopters. Compared to the results of Chapter 1, I find a larger role of competition and a smaller impact of the (net) cost of consumer acquisition in explaining differences in mobile phone services diffusion.
In the third Chapter, I analyze the effect of a product introduction on labor supply. I
demonstrate that it is possible to overcome many of the limitations associated with the lack of individual level purchase data by focusing on teenage labor supply and the introduction of video game consoles. I find that 16- to 17-year old male teenagers significantly increase their hours of work in the months prior to video console introductions beyond the usual male-female
difference.
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Essays in Industrial Organization: Market PerformanceYe, Mingxiao 12 January 2012 (has links)
This thesis consists of three papers. Industries that motivated this analysis range are exclusive clubs (Chapter 1) and pharmaceuticals (Chapters 2 and 3). A common thread is the study of the strategic behavior of monopoly or monopoly-like firms and the implications of such behavior.
Chapter 1 studies an “invitation only” strategy for a durable goods monopolist. “Invitation only” functions as a commitment device, enabling the extraction of more profit than the conventional durable goods setting. In addition, the effectiveness of commitment devices in profit-extraction can be compared: each commitment device is modeled as an extra condition in the profit maximization of the general durable goods monopolist, enabling straightforward comparisons across commitment devices.
Chapters 2 and 3 discuss the effect of patent protection on innovation in the pharmaceutical industry, in particular competition to produce drugs that follow-on from pioneer drug discovery, and any feedback effects on pioneer innovation. Despite the conventional notion, I show that longer patent protection may reduce or distort the incentives of innovation: with longer patents, the increased need of pioneer inventors in deterring the production of follow-on drugs may translate to less profitability for the pioneer inventor.
Chapter 2 serves as a background and a literature review for Chapter 3. It explains the multi-stage drug discovery process and the phenomenon of follow-on drugs; it reviews strategic entry deterrence theories and summarizes the behavior of brand-name drug firms in deterring generic entry studied in the literature; it also reviews the optimal patent length and breadth literature.
Chapter 3 presents several observed puzzles in the pharmaceutical industry and provides a unified explanation for these puzzles within a strategic entry deterrence model. The central conclusion is that under some general conditions, longer patent life distorts incentives for innovation and lowers research productivity: pioneer research is discouraged relative to follow-on research; inexpensive R&D projects are discouraged, and ceteris paribus expensive projects are favored instead, especially those with large clinical trial costs. Other predictions from the model accord with industry observations, including mid-development cancellations of potential drugs for non-medical reasons and early development of follow-on drugs in large markets.
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Influence of Internal and External Factorson Expansion Strategy : -Swedish Cleantech Subsidiaries in the USChoi, Jungmin, Mogyoro, Maria January 2011 (has links)
ABSTRACT Title: Influence of Internal and External Factors on Expansion Strategy-Swedish Cleantech Subsidiaries in the US Authors: Jungmin Choi, Maria Mogyoro Purpose The purpose is to contribute to the knowledge regarding internal and external factors‟ influence on the expansion strategy of a foreign subsidiary in a growing market. Design/Methodology/Approach Originating from the resource-based view and industrial organization view literature, an analysis model is developed. The model shows influences of internal and external factors on a subsidiary‟s expansion strategy. Propositions were formulated based on the analysis model and five case studies of Swedish clean technology subsidiaries operating in the US were compiled. Findings This study found that high business relatedness between a subsidiary and parent firm are positively associated with a broad market scope and differentiation strategy. Secondly, international experience is positively associated with a differentiation strategy. The study also found that perceived competition is positively associated with a broad market scope and perceived low competition influences a narrow product/market scope. Finally, perceived barriers positively impact a differentiation strategy. Implications This study provides evidence that both internal and external factors have an influence on a subsidiary‟s expansion strategy. The study also showed that there were linkages among factors. For example there were indications that external factor such as competition affects business relatedness. Hence, a revised model was developed demonstrating those relationships. For managers this research has importance since it has been shown that managers need to consider both the external and internal factors when they formulate strategy. Originality/value By integrating insights from the resource-based view and industrial organization view literature, this thesis develops a unique analysis model where factors from both schools are used to study expansion strategies of subsidiary firms in a growing market.
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Online Auction MarketsYao, Song January 2009 (has links)
<p>Central to the explosive growth of the Internet has been the desire</p><p>of dispersed buyers and sellers to interact readily and in a manner</p><p>hitherto impossible. Underpinning these interactions, auction</p><p>pricing mechanisms have enabled Internet transactions in novel ways.</p><p>Despite this massive growth and new medium, empirical work in</p><p>marketing and economics on auction use in Internet contexts remains</p><p>relatively nascent. Accordingly, this dissertation investigates the</p><p>role of online auctions; it is composed of three essays.</p><p>The first essay, ``Online Auction Demand,'' investigates seller and</p><p>buyer interactions via online auction websites, such as eBay. Such</p><p>auction sites are among the earliest prominent transaction sites on</p><p>the Internet (eBay started in 1995, the same year Internet Explorer</p><p>was released) and helped pave the way for e-commerce. Hence, online</p><p>auction demand is the first topic considered in my dissertation. The</p><p>second essay, ``A Dynamic Model of Sponsored Search Advertising,''</p><p>investigates sponsored search advertising auctions, a novel approach</p><p>that allocates premium advertising space to advertisers at popular</p><p>websites, such as search engines. Because sponsored search</p><p>advertising targets buyers in active purchase states, such</p><p>advertising venues have grown very rapidly in recent years and have</p><p>become a highly topical research domain. These two essays form the</p><p>foundation of the empirical research in this dissertation. The third</p><p>essay, ``Sponsored Search Auctions: Research Opportunities in</p><p>Marketing,'' outlines areas of future inquiry that I intend to</p><p>pursue in my research.</p><p>Of note, the problems underpinning the two empirical essays exhibits</p><p>a common form, that of a two-sided network wherein two parties</p><p>interact on a common platform (Rochet and Tirole, 2006). Although</p><p>theoretical research on two-sided markets is abundant, this</p><p>dissertation focuses on their use in e-commerce and adopts an</p><p>empirical orientation. I assume an empirical orientation because I</p><p>seek to guide firm behavior with concrete policy recommendations and</p><p>offer new insights into the actual behavior of the agents who</p><p>interact in these contexts. Although the two empirical essays share</p><p>this common feature, they also exhibit notable differences,</p><p>including the nature of the auction mechanism itself, the</p><p>interactions between the agents, and the dynamic frame of the</p><p>problem, thus making the problems distinct. The following abstracts</p><p>for these two essays as well as the chapter that describes my future</p><p>research serve to summarize these contributions, commonalities and</p><p>differences.</p><p>Online Auction Demand</p><p>With $40B in annual gross merchandise volume, electronic auctions</p><p>comprise a substantial and growing sector of the retail economy. For</p><p>example, eBay alone generated a gross merchandise volume of $14.4B</p><p>during the fourth quarter of 2006. Concurrent with this growth has</p><p>been an attendant increase in empirical research on Internet</p><p>auctions. However, this literature focuses primarily on the bidder;</p><p>I extend this research to consider both seller and bidder behavior</p><p>in an integrated system within a two-sided network of the two</p><p>parties. This extension of the existing literature enables an</p><p>exploration of the implications of the auction house's marketing on</p><p>its revenues as well as the nature of bidder and seller interactions</p><p>on this platform. In the first essay, I use a unique data set of</p><p>Celtic coins online auctions. These data were obtained from an</p><p>anonymous firm and include complete bidding and listing histories.</p><p>In contrast, most existing research relies only on the observed</p><p>website bids. The complete bidding and listing histories provided by</p><p>the data afford additional information that illuminates the insights</p><p>into bidder and seller behavior such as bidder valuations and seller</p><p>costs.</p><p>Using these data from the ancient coins category, I estimate a</p><p>structural model that integrates both bidder and seller behavior.</p><p>Bidders choose coins and sellers list them to maximize their</p><p>respective profits. I then develop a Markov Chain Monte Carlo (MCMC)</p><p>estimation approach that enables me, via data augmentation, to infer</p><p>unobserved bidder and seller characteristics and to account for</p><p>heterogeneity in these characteristics. My findings indicate that:</p><p>i) bidder valuations are affected by item characteristics (e.g., the</p><p>attributes of the coin), seller (e.g. reputation), and auction</p><p>characteristics (e.g., the characteristics of the listing); ii)</p><p>bidder costs are affected by bidding behavior, such as the recency</p><p>of the last purchase and the number of concurrent auctions; and iii)</p><p>seller costs are affected by item characteristics and the number of</p><p>concurrent listings from the seller (because acquisition costs</p><p>evidence increasing marginal values).</p><p>Of special interest, the model enables me to compute fee</p><p>elasticities, even though no variation in historical fees exists in</p><p>these data. I compute fee elasticities by inferring the role of</p><p>seller costs in their historical listing decision and then imputing</p><p>how an increase in these costs (which arises from more fees) would</p><p>affect the seller's subsequent listing behavior. I find that these</p><p>implied commission elasticities exceed per-item fee elasticities</p><p>because commissions target high value sellers, and hence, commission</p><p>reductions enhance their listing likelihood. By targeting commission</p><p>reductions to high value sellers, auction house revenues can be</p><p>increased by 3.9%. Computing customer value, I find that attrition</p><p>of the largest seller would decrease fees paid to the auction house</p><p>by $97. Given that the seller paid $127 in fees, competition</p><p>offsets only 24% of the fees paid by the seller. In contrast,</p><p>competition largely in the form of other bidders offsets 81% of the</p><p>$26 loss from buyer attrition. In both events, the auction house</p><p>would overvalue its customers by neglecting the effects of</p><p>competition.</p><p>A Dynamic Model of Sponsored Search Advertising</p><p>Sponsored search advertising is ascendant. Jupiter Research reports</p><p>that expenditures rose 28% in 2007 to $8.9B and will continue to</p><p>rise at a 26% Compound Annual Growth Rate (CAGR), approaching half</p><p>the level of television advertising and making sponsored search</p><p>advertising one of the major advertising trends affecting the</p><p>marketing landscape. Although empirical studies of sponsored search</p><p>advertising are ascending, little research exists that explores how</p><p>the interactions of various agents (searchers,</p><p>advertisers, and the search engine) in keyword</p><p>markets affect searcher and advertiser behavior, welfare and search</p><p>engine profits. As in the first essay, sponsored search constitutes</p><p>a two-sided network. In this case, bidders (advertisers) and</p><p>searchers interact on a common platform, the search engine. The</p><p>bidder seeks to maximize profits, and the searcher seeks to maximize</p><p>utility.</p><p>The structural model I propose serves as a foundation to explore</p><p>these outcomes and, to my knowledge, is the first structural model</p><p>for keyword search. Not only does the model integrate the behavior</p><p>of advertisers and searchers, it also accounts for advertisers</p><p>competition in a dynamic setting. Prior theoretical research has</p><p>assumed a static orientation to the problem whereas prior empirical</p><p>research, although dynamic, has focused solely on estimating the</p><p>dynamic sales response to a single firm's keyword advertising</p><p>expenditures.</p><p>To estimate the proposed model, I have developed a two-step Bayesian</p><p>estimator for dynamic games. This approach does not rely on</p><p>asymptotics and also facilitates a more flexible model</p><p>specification.</p><p>I fit this model to a proprietary data set provided by an anonymous</p><p>search engine. These data include a complete history of consumer</p><p>search behavior from the site's web log files and a complete history</p><p>of advertiser bidding behavior across all advertisers. In addition,</p><p>the data include search engine information, such as keyword pricing</p><p>and website design.</p><p>With respect to advertisers, I find evidence of dynamic</p><p>bidding behavior. Advertiser valuation for clicks on their sponsored</p><p>links averages about $0.27. Given the typical $22 retail price of</p><p>the software products advertised on the considered search engine,</p><p>this figure implies a conversion rate (sales per click) of about</p><p>1.2%, well within common estimates of 1-2% (gamedaily.com). With</p><p>respect to consumers, I find that frequent clickers place a</p><p>greater emphasis on the position of the sponsored advertising link.</p><p>I further find that 10% of consumers perform 90% of the clicks.</p><p>I then conduct several policy simulations to illustrate the effects</p><p>of change in search engine policy. First, I find that the</p><p>search engine obtains revenue gains of nearly 1.4% by sharing</p><p>individual level information with advertisers and enabling them to</p><p>vary their bids by consumer segment. This strategy also improves</p><p>advertiser profits by 11% and consumer welfare by 2.9%. Second, I</p><p>find that a switch from a first to second price auction results in</p><p>truth telling (advertiser bids rise to advertiser valuations), which</p><p>is consistent with economic theory. However, the second price</p><p>auction has little impact on search engine profits. Third, consumer</p><p>search tools lead to a platform revenue increase of 3.7% and an</p><p>increase of consumer welfare of 5.6%. However, these tools, by</p><p>reducing advertising exposure, lower advertiser profits by 4.1%.</p><p>Sponsored Search Auctions: Research Opportunities in Marketing</p><p>In the final chapter, I systematically review the literature on</p><p>keyword search and propose several promising research directions.</p><p>The chapter is organized according to each agent in the search</p><p>process, i.e., searchers, advertisers and the search engine, and</p><p>reviews the key research issues for each. For each group, I outline</p><p>the decision process involved in keyword search. For searchers, this</p><p>process involves what to search, where to search, which results to</p><p>click, and when to exit the search. For advertisers, this process</p><p>involves where to bid, which word or words to bid on, how much to</p><p>bid, and how searchers and auction mechanisms moderate these</p><p>behaviors. The search engine faces choices on mechanism design,</p><p>website design, and how much information to share with its</p><p>advertisers and searchers. These choices have implications for</p><p>customer lifetime value and the nature of competition among</p><p>advertisers. Overall, I provide a number of potential areas of</p><p>future research that arise from the decision processes of these</p><p>various agents.</p><p>Foremost among these potential areas of future research are i) the</p><p>role of alternative consumer search strategies for information</p><p>acquisition and clicking behavior, ii) the effect of advertiser</p><p>placement alternatives on long-term profits, and iii) the measure of</p><p>customer lifetime value for search engines. Regarding the first</p><p>area, a consumer's search strategy (i.e., sequential search and</p><p>non-sequential search) affects which sponsored links are more likely</p><p>to be clicked. The search pattern of a consumer is likely to be</p><p>affected by the nature of the product (experience product vs. search</p><p>product), the design of the website, the dynamic orientation of the</p><p>consumer (e.g., myopic or forward-looking), and so on. This search</p><p>pattern will, in turn, affect advertisers payments, online traffic,</p><p>sales, as well as the search engine's revenue. With respect to the</p><p>second area, advertisers must ascertain the economic value of</p><p>advertising, conditioned on the slot in which it appears, before</p><p>making decisions such as which keywords to bid on and how much to</p><p>bid. This area of possible research suggests opportunities to</p><p>examine how advertising click-through and the number of impressions</p><p>differentially affect the value of appearing in a particular</p><p>sponsored slot on a webpage, and how this value is moderated by an</p><p>appearance in a non-sponsored slot (i.e., a slot in the organic</p><p>search results section). With respect to the third area of future</p><p>research, customer value is central to the profitability and</p><p>long-term growth of a search engine and affects how the firm should</p><p>allocate resources for customer acquisition and retention.</p><p>Organization</p><p>This dissertation is organized as follows. After this brief</p><p>introduction, the essay, ``Online Auction Demand,'' serves as a</p><p>basis that introduces some concepts of auctions as two-sided</p><p>markets. Next, the second essay, ``A Dynamic Model of Sponsored</p><p>Search Advertising,'' extends the first essay by considering a</p><p>richer context of bidder competition and consumer choice behavior.</p><p>Finally, the concluding chapter, which outlines my future research</p><p>interests, considers potential extensions that pertain especially to</p><p>sponsored search advertising.</p> / Dissertation
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The Impact Of Modern Retailing On The Prices Of Fast Moving Consumer Goods: Evidence From TurkeyPamuk, Haki 01 September 2008 (has links) (PDF)
In Turkey, the retailing sector is in a modernization process with the increase in the market share of supermarkets since 1990s. This process has important implications on general economy with changing consumption characteristics. This thesis analyzes the impact of increasing market share of supermarkets on the prices of fast moving consumer goods in traditional retailers. By means of a household panel, a panel data econometric approach is used for assessing the impacts of different supermarket formats between 2002 and 2006 in 12 sectors. The results indicates that increasing market share supermarkets decreases the price levels observed in traditional retailers in some of the sectors and these impacts vary according to supermarket formats and sectors.
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İşletmenin örgüt yapısının işgörenlerin örgütsel bağlılığına etkisine ilişkin bir araştırma /Perçin, Mehmet. İbicioğlu, Hasan. January 2008 (has links) (PDF)
Tez (Doktora) - Süleyman Demirel Üniversitesi, Sosyal Bilimler Enstitüsü, İşletme Anabilim Dalı, 2008. / Kaynakça var.
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Hur påverkar kulturella skillnader mellan Sverige och Kina organisationens arbetssätt? : en fallstudie på Sandvik AB.Karlsson, Johan. Byman, Erik. January 2008 (has links)
Bachelor's thesis. / Format: PDF. Bibl.
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Institutional barriers to entry in the Hong Kong stock market : theory, evidence and policy /Ancrum, E. M. January 1984 (has links)
Thesis (M. Phil.)--University of Hong Kong, 1987.
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Institutional barriers to entry in the Hong Kong stock market: theory, evidence and policyAncrum, E. M. January 1984 (has links)
published_or_final_version / Economics / Master / Master of Philosophy
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A contractual theory of the firm: a construction project case study余嘉偉, Yu, Ka-wai, Marco. January 2001 (has links)
published_or_final_version / Real Estate and Construction / Master / Master of Philosophy
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