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What Affects The Decreasing Consumption of Beer? Analysis of The Determinants of Demand
Podešva, Jiří ; Koubek, Ivo (advisor) ; van Koten, Silvester (referee)
The per capita consumption of beer in the Czech Republic is one of the biggest in the world. However, in recent years the consumption has started to decrease. This thesis analyzes determinants of demand of beer and possible causes of decreasing of beer consumption. The whole market is analyzed using the time series models. In the next step, the market was separated into on-trade and off-trade part. No previous researches have dealt with this division. It was proved, that wine is a substitute of the on-trade beer, but a complement of the off-trade beer. On-trade beer is an ordinary good and if the price increases by one Czech crown, the consumption will decrease by 5 %. Spirits are complements of on-trade beer. No impact caused by price on the consumption of off-trade beer was proved. During the analysis of off-trade beer was found out, that the beer is the gross substitute of wine and that the good weather makes its consumption to increase. The future prediction for 2014 suggests that average person will consume 57,5 liters of on-trade beer.
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Strategies in pay-per-bid auctions
Podešva, Jiří ; Svoboda, Miroslav (advisor) ; Dudáková, Tereza (referee)
In this paper I analyze pay-per-bid auctions. On the bids made in auctions I research strategies of players. I confirmed the hypothesis that players timed signal bids. I have demonstrated that shortening the interval extension auction decreases signaling in the auctions. Then I haven't demonstrated reduction signaling in beginner auctions. I also concluded, that the benefits in form of restoration of half used coupons for the player who was at the second place, doesn't increase the average number of bids made in auctions. My final conclusion is that the auctions with cheaper goods introduce on average higher returns for auctioneer than the auctions with more expensive goods.
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Thermoanalytical evaluation of the oxidative stability of liquid polybutadienes
Kovářová, Jana ; Podešva, Jiří
Hydroxy-terminated liquid polybutadienes, as commercially available polymeric diols, are used in teh production of special types of elastomeric polyurethanes. A comparison of the oxidation susceptibility in a series of hydroxy-terminated polybutadiene rubbers in relation to the degree of hydrogenation shows that the oxidative stability of liquid rubbers gradually increases with the decreasing content of double bonds in the 1-PB chains.
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