i Abstract In this work, we describe a novel methodology to analyse the price elasticity of demand. This method combines an artificial neural network that serves as the model of the behaviour of the customers and a subsequent simulation based on this model. We present the validation of our approach using a real-world dataset obtained from an e-commerce retailer and demonstrate its advantages, notably the ability to estimate the elasticity in distinct price points and the inclusion of the complete pricing situations (not only product's own price). JEL Classification C45, C44, C15, D12 Keywords price elasticity of demand, artificial neural net- work, agent-based model Title A simulation based analysis of price elasticity of demand Author's e-mail Supervisor's e-mail

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This master thesis deals with the issue of special discounts. Assessments and proposals of successful special offers are based on the analysis of demand price elasticity. The key attribute of this work is the knowledge of product’s price elasticity of demand. The analysis of price elasticity of demand is based on real data. The paper is terminated with suggestions on creating and planning special discounts developed in consideration of the retailers’ specific goals.

The thesis deals with possible impacts of non-zero rate of excise tax on still wine if applied on market subjects which means consumers, producers and the government. Function of price elasticity demand for wine in the Czech Republic is created and using regression analysis is found that demand for wines in the Czech Republic is inelastic. Original hypothesis that introduction of excise tax of 10 CZK per one litter of still wine would not positively impact any of affected subjects has not been confirmed. Demand for still wine would be reduced if excise tax was exercised and therefore producers and customers would be harmed but the analysis shows that the government would increase its tax collection. Another finding is that cheap wines are more price elastic and impact of tax growth on demand for these wines would be greater than in case of more expensive wines. Results of research are applied on the VINIUM Company and its financial statements with finding that introduction of excise tax would probably lead to bankruptcy of the company.

The main goal of this Diploma´s Thesis is to make a model for calculation of water and sewer rates for the company Vodovody a kanalizace Náchod, a.s. when sticking to the set criteria both from the side of VaK Náchod, a.s. and law regulations. Based on the theoretical part an analysis of customer sensitivity to the price changes using the data for last 20 years follows. Findings from the first two parts are used in risk analysis in next part. The created model calculates the water and sewer rates based on the information from the company accounting system in the way to generate sufficient financial resources to fulfill the renovation plan of infrastructural property plant and equipment and to transfer given amount to the company funds. In addition, the model monitors whether the legal condition of maximal allowable increase of profit per m3 is met. In the customer sensitivity to the price changes part the price elasticity of demand for water and sewer rates is calculated based on the data from 1995 to 2015. The assumption of inelastic demand is confirmed. Risk analysis part is deals with potential risk regarding the demand and prices. Potential impacts for the most significant risk are quantified. The analysis uses knowledge gained in the first two parts. It was confirmed that potential risks are exiting but do not have any significant impact on the going concern of VaK Náchod, a.s. The created model has been already used for the calculation of prices for the year 2017. Customer sensitivity analysis to the price changes and link to the potential risks is an additional information for VaK Náchod, a.s. which validates that nowadays, there are no significant threats which could affect the demand and water and sewer rates significantly.