Showing 1 - 10 of 548
This paper exploits a novel hand-collected dataset to provide a comprehensive analysis of the social relationships that underlie illegal insider trading networks. I find that inside information flows through strong social ties based on family, friends, and geographic proximity. On average,...
Persistent link: https://www.econbiz.de/10013005786
This paper exploits hand-collected data on illegal insider trades to provide new evidence of the ability of standard measures of illiquidity to detect informed trading. Controlling for unobserved cross-sectional and time-series variation, sampling bias, and strategic timing of insider trades, I...
Persistent link: https://www.econbiz.de/10012928785
We build an equilibrium model to explain why stock return predictability concentrates in bad times. The key feature is that investors use different forecasting models, and hence assess uncertainty differently. As economic conditions deteriorate, uncertainty rises and investors' opinions...
Persistent link: https://www.econbiz.de/10011721618
power for yields, and RA's risk premiums are less volatile than those in the analogous model without learning. RA …
Persistent link: https://www.econbiz.de/10011862287
Learning or experience curves are widely used to estimate cost functions in manufacturing modeling. They have recently … shows that there is a fundamental statistical identification problem in trying to separate learning from exogenous … technological change and that the estimated learning coefficient will generally be biased upwards. Second, we present two empirical …
Persistent link: https://www.econbiz.de/10014211678
In this paper, I present an empirical model of learning under ambiguity in the context of clinical trials. Patients are … concern with learning the treatment effect of the experimental drug, but face the ambiguity of random group assignment. A two … dimensional Bayesian model of learning is proposed to capture patients' beliefs on the treatment effect and group assignment …
Persistent link: https://www.econbiz.de/10014048207
Persistent link: https://www.econbiz.de/10011610640
This paper studies drivers' responses to a "notched" penalty scheme in which speeding penalties are stepwise and discontinuously increasing in speed. We present survey evidence suggesting that drivers in Germany are well aware of the notched penalty structure. Based on a simple analytical...
Persistent link: https://www.econbiz.de/10011771691
Persistent link: https://www.econbiz.de/10011710419
We study response behavior of New York City parking-ticket recipients by analyzing administrative data on 6.6 million tickets issued to 2 million individuals over two years. Exploiting variation (from a policy change and a field experiment) in letters sent to recipients, we find that forgetting...
Persistent link: https://www.econbiz.de/10012455668