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| Yoshino, Joe Akira. |
| We estimate in this paper the market risk implied by the prices of different options traded in the Brazilian stock market. The fundamental theory to handle this problem is the one implied by the Arrow-Debreu contingent claim concept. Using that theory, we are able to construct the term structure of market risk, and to obtain a surface that provides slices for a particular “volatility smile.” The methodology that we use follows the one proposed by Shimko (1993), which is able to calculate a non-lognormal probability density function (PDF) consistent with the volatility observed in a relatively small sample of option prices. This methodology goes beyond the one proposed originally by Black and Scholes (1973), since it does not require log-normality of the... |
| Tipo: Journal Article |
Palavras-chave: Arrow-Debreu contingent claim; Options; Black-Scholes; Market risk; Volatility; Brazilian stock market; Risk and Uncertainty; Marketing; G12; G13. |
| Ano: 2003 |
URL: http://purl.umn.edu/44000 |
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| Li, Ying. |
| Based on the introduction of the connotation of “lemon market” and the phenomenon of “lemon” in the market of agricultural products, the consumers’ behaviors in the “lemon market” of agricultural products are analyzed. Firstly, consumers feel unfair in their minds in the process of negotiation; secondly, the purchase decision rule tends to be simplified in the “lemon market” of agricultural products; thirdly, the consumers tend to follow the masses in the “lemon market” of agricultural products. The economics significance of the impact of “lemon dilemma” of agricultural products on consumers is analyzed. The causes of the impact are analyzed from two aspects the uncertainty of collecting the information of agricultural information and the uncertainty of... |
| Tipo: Journal Article |
Palavras-chave: Agricultural products market; Lemon dilemma; Consumer; Market risk; China; Agribusiness. |
| Ano: 2010 |
URL: http://purl.umn.edu/102369 |
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| Briz, Julian; de Carlos, Pilar; de Felipe, Isabel; Garcia Martinez, Marian; Morais, Federico. |
| Western society is suffering an increasing risk regarding the food chain for several reasons. Longer geographical distances between producers and consumers, more stakeholders in the supply chain, less capacity of national governments to regulate and protect consumers due to globalisation and the liberalization process, with pressure to innovate and increase competitively.. During the period 2004-06, there is being carried out a research project in Spain, coordinated by the Polytechnic University of Madrid and sponsored by INIA. The goal is to understand the consumer behaviour identifying the attributes of food products and to transmit the results to the food industry entrepreneurs, in order to increase their efficiency in innovation. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Innovation; Market risk; Food industry; Consumer attitude; Agribusiness; Marketing. |
| Ano: 2006 |
URL: http://purl.umn.edu/7732 |
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