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Five studies show that people, including experts such as professional chefs, estimate quantity decreases more accurately than quantity increases. We argue that this asymmetry occurs because physical quantities cannot be negative. Consequently, there is a natural lower bound (zero) when...
Persistent link: https://www.econbiz.de/10012967314
This paper describes a modelling methodology for multivariate stochastic processes. The concept of multiple causality is discussed and a procedure to detect multiple causality is suggested. The data of a major Canadian supermarket is analyzed and a multivariate autoregressive model for this...
Persistent link: https://www.econbiz.de/10012751654
The main purpose of this paper is to discern the dynamic causal relationships (in the Granger (temporal) sense) among sales, advertising and prices in the context of the Portuguese car market. The present research (based on multiple cointegration tests preceded by various unit root or...
Persistent link: https://www.econbiz.de/10014075153
Motivated by recent empirical findings on the relationship between new clinical evidence and the effectiveness of detailing, this paper develops a new structural model of detailing and prescribing decisions under the environment where both manufacturers and physicians are uncertain about drug...
Persistent link: https://www.econbiz.de/10014048404
Newspapers' advertising revenues have declined sharply in recent decades. We build a model to investigate the consequences on newspapers' content and prices of a reduction in advertisers' willingness to pay. Newspapers choose the size of their newsroom, and readers are heterogeneous in the...
Persistent link: https://www.econbiz.de/10012973927
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In this study, we analyze the portfolio allocation based on time asymmetry of stock characteristics. In particular, we analyzed the empirical data of changes in financial stock prices during the day period and during the night period and have found that characteristics such as mean and variance...
Persistent link: https://www.econbiz.de/10010474316
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Persistent link: https://www.econbiz.de/10014470017
Motivated by existing evidence of a preference among investors for stocks with high maximum daily returns, we document that lottery-like payoffs measured by maximum daily returns are almost entirely idiosyncratic. Firm-level cross-sectional regressions and portfolio-sort analyses prove that...
Persistent link: https://www.econbiz.de/10013250542