Showing 1 - 10 of 7,470
treatment, but is based on untestable assumptions and is subject to structural data mining. Combining the approaches by holding … trial, we provide a formal rationale for the use of a holdout sample in an environment in which data mining poses an …
Persistent link: https://www.econbiz.de/10013073955
for stock returns related to the classic studies of Yule (1926) and Granger and Newbold (1974). Data mining for predictor …
Persistent link: https://www.econbiz.de/10012762990
problem is not to expect a mass renunciation of data mining, selective data cleaning or opportunistic methodology selection …
Persistent link: https://www.econbiz.de/10012778257
The rise of centralized mining pools for risk sharing does not necessarily undermine the decentralization required for … disproportionately fewer miners, and thus grow more slowly. Instead, mining pools as a financial innovation escalate the arms race among … evidence from Bitcoin mining supports our model predictions. The economic insights inform many other blockchain protocols as …
Persistent link: https://www.econbiz.de/10012891776
damage. As expected, when the environmental damage from mining is known, the socially optimal timing will depend on the … mining until better information arrives. We show conditions under which it is optimal to postpone the mining decision … marginal mine owner is completely indifferent between mining immediately and at any point in the future. Thus, for our problem …
Persistent link: https://www.econbiz.de/10013019516
An intertemporal capital asset valuation approach is applied to analyzing the effects of nonlinear taxes on asset values and optimal investment decisions. The method is quite general, and is illustrated both analytically and numerically, The paper studies the effects of nonlinearities in the...
Persistent link: https://www.econbiz.de/10012762783
A pre-specified set of nine prominent U.S. equity return anomalies produce significant alphas in Canada, France, Germany, Japan, and the U.K. All of the anomalies are consistently significant across these five countries, whose developed stock markets afford the most extensive data. The anomalies...
Persistent link: https://www.econbiz.de/10012947659
Using a novel database that tracks web traffic on the SEC's EDGAR server between 2004 and 2015, we show that institutional investors gather information on a very particular subset of firms and insiders, and their surveillance is very persistent over time. This tracking behavior has powerful...
Persistent link: https://www.econbiz.de/10012914729
High skilled workers gain from face to face interactions. If the skilled can move at higher speeds, then knowledge diffusion and idea spillovers are likely to reach greater distances. This paper uses the construction of China's high speed rail (HSR) network as a natural experiment to test this...
Persistent link: https://www.econbiz.de/10012920886
We characterize and demonstrate a solution method for an optimal commodity (sales) tax problem consisting of multiple goods, heterogeneous agents, and a nonconvex policy maker optimization problem. Our approach allows for more dimensions of heterogeneity than has been previously possible,...
Persistent link: https://www.econbiz.de/10013053844