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We construct a database of U.S. federal court decisions pertaining to copyright and changes in federal statutory copyright law, and use this database to assemble indices measuring changes in the breadth of copyright protection. We combine our indices with information on excess returns to equity...
Persistent link: https://www.econbiz.de/10014062858
Utilizing a master list produced by Viscusi (2004) of what he called “blockbuster” jury awards – those amounting to $100 million or more, – we selected 17 cases where the defendant had traded shares (we excluded the tobacco cases) to see the stock market reaction to these announced...
Persistent link: https://www.econbiz.de/10013127196
The proliferation of algorithmic high-frequency trading in financial markets has also led to an increase in new types of fraudulent activity. Since the flash-crash of 2010 first brought it to popular prominence, layering or spoofing fraud has become a major concern for financial regulators...
Persistent link: https://www.econbiz.de/10012891797
Over the last three decades, the world economy has been facing stock market crashes, currency crisis, the dot-com and real estate bubble burst, credit crunch and banking panics. As a response, extreme value theory (EVT) provides a set of ready-made approaches to risk management analysis....
Persistent link: https://www.econbiz.de/10010399734
This paper analyzes whether the market portfolio is efficiently related to benchmark portfolios formed on size, value, momentum and reversal with various utility theories by using stochastic dominance criteria. The results support the prospect theory including assumption of loss aversion at...
Persistent link: https://www.econbiz.de/10013107334
The stock market behaviour and trend can be move according to the different internal, external, micro economic and macro economic factors. The impact of some events that definitely occurs can't be envisaged by the stock market with confidence due to their nature. A budget is an influential...
Persistent link: https://www.econbiz.de/10013051803
Persistent link: https://www.econbiz.de/10013002318
A speculative bubble is usually defined as the difference between the market value of a security and its fundamental value. Although there are several important theoretical issues surrounding the topic of asset bubbles, the existence of bubbles is inherently an empirical issue that has not been...
Persistent link: https://www.econbiz.de/10014047907
This paper examines the long-run dynamics and the cyclical structure of various series related to the US stock market using fractional integration. We implement a procedure which enables one to consider unit roots with possibly fractional orders of integration both at the zero (long-run) and the...
Persistent link: https://www.econbiz.de/10010264167
We examine the performance of volatility models that incorporate features such as long (short) memory, regime-switching and multifractality along with two competing distributional assumptions of the error component, i.e. Normal vs Student-t. Our precise contribution is twofold. First, we...
Persistent link: https://www.econbiz.de/10010265243