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Author: Kirke B. Lawton
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Author: Kirke B. Lawton
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Author: Dennis Eggert
Publisher: GRIN Verlag
ISBN: 3638803473
Category : Business & Economics
Languages : en
Pages : 36
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Book Description
Seminar paper from the year 2006 in the subject Economics - Industrial Economics, grade: 1,0, Helsinki School of Economics, course: Industrial Organisation, 18 entries in the bibliography, language: English, abstract: The main issue in the article is the derivation of a model in which prices can differ in equilibrium, even though the goods are homogeneous and there is asymmetric information in the market. The reason for this price dispersion is caused by consumer heterogeneity. Salop and Stiglitz explain, that "because of differences in preference or ability, some agents perform much better than others in market decisions." To model this kind of heterogeneity they assign different costs of gathering certain information to the consumers. For simplicity they part the consumers in two groups: The first one consists of low-cost information gatherer and the other group has higher cost to gain complete information. For further simplicity there are just two levels of information: to be completely informed or to be not informed at all. Furthermore the costs to become an informed consumer are fixed. The differences in information in this model regard the locations of the shops. All consumers know about all prices that are in the market, they just do not know where the shop with a certain (the lowest) price is. The shops on the other hand have complete information about the market. They know about the differences between the consumers and can compute the demand that will occur, when they ask a certain price. So they face a trade-off between higher prices and lower demand. It is important to state why there is a possibility of raising the price and not to loose all demand like it would be in a perfect market. When the rise in price is not too high, it does not pay for the high-cost information gatherer to become completely informed. Their expected loss by buying randomly either in low- or high-priced shops is lower than the fixed cost of gathering the information. All toget
Author: Dennis Eggert
Publisher: GRIN Verlag
ISBN: 3638801381
Category : Business & Economics
Languages : en
Pages : 16
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Book Description
Seminar paper from the year 2006 in the subject Economics - Industrial Economics, grade: 1,0, Helsinki School of Economics, course: Industrial Organisation, language: English, abstract: The main issue in the article is the derivation of a model in which prices can differ in equilibrium, even though the goods are homogeneous and there is asymmetric information in the market. The reason for this price dispersion is caused by consumer heterogeneity. Salop and Stiglitz explain, that “because of differences in preference or ability, some agents perform much better than others in market decisions.” To model this kind of heterogeneity they assign different costs of gathering certain information to the consumers. For simplicity they part the consumers in two groups: The first one consists of low-cost information gatherer and the other group has higher cost to gain complete information. For further simplicity there are just two levels of information: to be completely informed or to be not informed at all. Furthermore the costs to become an informed consumer are fixed. The differences in information in this model regard the locations of the shops. All consumers know about all prices that are in the market, they just do not know where the shop with a certain (the lowest) price is. The shops on the other hand have complete information about the market. They know about the differences between the consumers and can compute the demand that will occur, when they ask a certain price. So they face a trade-off between higher prices and lower demand. It is important to state why there is a possibility of raising the price and not to loose all demand like it would be in a perfect market. When the rise in price is not too high, it does not pay for the high-cost information gatherer to become completely informed. Their expected loss by buying randomly either in low- or high-priced shops is lower than the fixed cost of gathering the information. All together this consumer heterogeneity and the fully informed shops can lead to price dispersion in equilibrium, even though the goods are homogeneous and there is the difference in information between the actors.
Author: Pierre Dubois
Publisher:
ISBN:
Category : Consumer behavior
Languages : en
Pages : 33
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Book Description
Traditional demand models assume that consumers are perfectly informed about product characteristics, including price. However, this assumption may be too strong. Unannounced sales are a common supermarket practice. As we show, retailers frequently change position in the price rankings, thus making it unlikely that consumers are aware of all deals offered in each period. Further empirical evidence on consumer behavior is also consistent with a model with price information frictions. We develop such a model for horizontally differentiated products and structurally estimate the search cost distribution. The results show that in equilibrium, consumers observe a very limited number of prices before making a purchase decision, which implies that imperfect information is indeed important and that local market power is potentially high. We also show that a full information demand model yields severely biased price elasticities.
Author: Paolo G. Garella
Publisher:
ISBN:
Category : Competition
Languages : en
Pages : 84
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Author: Chiaen John Wu
Publisher:
ISBN:
Category : Consumers' preferences
Languages : en
Pages : 276
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Author: Guido Menzio
Publisher:
ISBN:
Category : Economics
Languages : en
Pages :
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The paper studies equilibrium pricing in a product market for an indivisible good where buyers search for sellers. Buyers search sequentially for sellers, but do not meet every seller with the same probability. Specifically, a fraction of the buyers' meetings lead to one particular large seller, while the remaining meetings lead to one of a continuum of small sellers. In this environment, the small sellers would like to set a price that makes the buyers indifferent between purchasing the good and searching for another seller. The large seller would like to price the small sellers out of the market by posting a price that is low enough to induce buyers not to purchase from the small sellers. These incentives give rise to a game of cat and mouse, whose only equilibrium involves mixed strategies for both the large and the small sellers. The fact that the small sellers play mixed strategies implies that there is price dispersion. The fact that the large seller plays mixed strategies implies that prices and allocations vary over time. We show that the fraction of the gains from trade accruing to the buyers is positive and non-monotonic in the degree of market power of the large seller. As long as the large seller has some positive but incomplete market power, the fraction of the gains from trade accruing to the buyers depends in a natural way on the extent of search frictions.
Author: Louis Phlips
Publisher: Cambridge University Press
ISBN: 9780521313810
Category : Business & Economics
Languages : en
Pages : 302
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Book Description
This book provides a systematic presentation of new microeconomic theories of imperfect information.
Author: Kazuya Kamiya
Publisher:
ISBN:
Category :
Languages : en
Pages : 23
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Author: James D. Dana
Publisher:
ISBN:
Category : Competition
Languages : en
Pages : 40
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