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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Price transmission and casuality analysis of cheese and pasteurised liquid milk in South Africa from 2000 to 2016

Ramoshaba, Tshegofatso January 2019 (has links)
Thesis (M. A. Agricultural Science (Agricultural Economics) -- University of Limpopo, 2019 / The relationship between farm and retail prices provides insights into marketing efficiency, consumer and farmer welfare. In light of this, much focus has been given to price transmission studies. Thus, price transmission studies have become increasingly important in Sub Saharan Africa because of its nature of providing clear insights information into our markets. Despite its importance in markets, there are a few studies analysing the mechanism through which prices are determined and transmitted from farm gate to retail markets in dairy markets in South Africa. The aim of the study was to investigate and analyse the nature of price transmission mechanism of pasteurised liquid milk and cheese in South Africa. The specific objectives were to determine the correlation between the milk production and quantity of milk processed in South Africa. Furthermore, there was a need to determine the direction of causality between the farm gate, processor and retail prices of cheese and pasteurised liquid milk in South Africa. It was also necessary to determine whether the price transmission of pasteurised liquid milk and cheese was symmetric or asymmetric in South Africa. The study used secondary time series data that covered a sample size of 17 years (2000 -2016) of pasteurised liquid milk and cheese in South Africa. Pearson correlation coefficient, Granger causality test and Vector Error Correction Model were used for data analysis. Pearson correlation results revealed that milk produced is perfectly correlated with the quantity of milk processed and it was positive. The Granger causality tests revealed that there was a no causal relationship between farm gate and processor, retail and processor and also between farm gate and retail for cheese. However, signs of independent causal relationship from farm gate to retail prices were visible. It also suggested a bidirectional causal relationship between processor and farm gate prices and also between retail and processor prices of pasteurised liquid milk. On the other hand, a unidirectional causality was found from retail to farm gate prices. The VECM results for pasteurised liquid milk showed asymmetric price transmission implying that retailers and processors react quicker to price increases than to price decrease. ii It is recommended that more focus be placed on investment in emerging dairy farmers in order to increase production. This can be done through the input price subsidies, grants and education on modern technologies. The government should also implement the price monitoring cell in order to protect the consumers from unfair prices passed on by the retailers. / Services SETA and National Agricultural Marketing Council (NAMC)
2

ESSAYS ON CATTLE-DERIVED FOOD PRODUCTS: DEMAND, PRICING, AND INVESTIGATION INTO LINKAGES BETWEEN ONLINE MEDIA AND FUTURE PRICES

Mario Amado Ortez Amador (13150497) 25 July 2022 (has links)
<p>  </p> <p>Cattle derived food, like beef and dairy, have long been a staple of our human diets and continue to be prominent in our days. This prominence and their relevance naturally extend to our economies. According to the U.S. Department of Agriculture, Economic Research Service (2022), cattle production is the most important agricultural industry in the US representing about 17% of the $391 billion total cash receipts for agricultural commodities in 2021.</p> <p><br></p> <p>Economists have looked into cattle derived products from a wide array of perspectives focusing on the product itself, for example beef, but also in the forces of supply and demand that at times are external to product attributes. The effect of supply and demand shocks on agricultural markets have been heavily considered in the literature (Thomsen and McKenzie, 2001; McKenzie and Thomsen, 2001; Lusk and Schroeder, 2002, Piggott and Marsh, 2004). Yet another important aspect of agricultural markets is price determination and the body of literature in this area is ample (Tomek & Robinson, 2003). Recent phenomena in the world, like the availability of information, good or bad, in the most current, voluminous and accessible way that we have ever seen, could be a new force in price determination of agricultural products. My research contributes to such strains of literature by investigating perceptions and willingness to pay for beef attributes, market shocks in beef markets, and the role of online media in dairy prices.</p> <p><br></p> <p>Beef attributes, and their relative valuation by consumers, have been studied to assist in understanding consumer demand for beef. Given the relevance of such attributes in consumer’s mind, researchers have sought to study how to profitably provide those beef attributes demanded by consumers. Addressing consumer demands for tenderness, an important attribute (Schroeder and Mark, 2000), aging beef has been proved to be a technology that improves flavor, tenderness and juiciness (Kim, Kemp & Samuelson, 2016). By using aging processes, the same cattle carcass can generate more highly valued beef products. I study the willingness to pay for aging and USDA grade in beef, to understand valuation of attributes by consumers with various demographics. </p> <p><br></p> <p>In beef markets, the heterogeneity of beef cuts in their usage, pricing and distribution channels is crucial. Supply and demand shocks can affect individual cuts in different ways (Ortez et al, 2022). With some beef cuts relying heavily on restaurant sales more than others, this offers a good opportunity to introduce a new concept in beef market analysis, namely the price relationship amongst beef cuts and its response to different market shocks. The traditional discussion around spreads in meat focus on differences in price at separate steps in the supply chain, namely farm, wholesale and retail. However, little attention has been given to the relative differences in prices of specific cuts of beef.</p> <p><br></p> <p>The potential influence of online media chatter in its sentiment and volume has largely been under appreciated in the Agricultural Economics literature. A predecessor in this area is Tonsor and Olynk (2011) who first established a connection between news activity and economic fundamentals in agriculture. The advent of the internet may have the ability to decrease information asymmetry and bridge the information gap between consumers, producers and market products. Online media listening allows for data collection efficiently and in real time (Widmar, 2019) and it may be a relevant aspect in the decision making of agricultural and food industries. Moved by this endeavor, I seek to understand if potential relationships between online media chatter sentiment and volume with futures prices in dairy products exist.</p> <p>  </p>
3

Price Formation and the Measurement of Market Power on the International Dairy Markets

Fahlbusch, Markus 05 February 2014 (has links)
No description available.

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