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We endogenize the market risk (at given technical risk) in firms’ R&D decisions by introducing stochastic R&D in the Hotelling model. It is shown that if the technical risk is sufficiently high, the market risk remains low even if firms pursue similar projects. This leads firms to focus on the...
Persistent link: https://www.econbiz.de/10005504272
The empirical performance of macroeconomic exchange rate models is more than disappointing. This dismal result is also reflected in the forecasting capabilities of professional analysts: all in all, analysts are not in a position to beat naïve random walk forecasts. The root for this deficient...
Persistent link: https://www.econbiz.de/10005504428
In this Paper we develop a model of intertemporal portfolio choice where an investor accounts explicitly for the possibility of model misspecification. This work is motivated by the difficulty in estimating precisely the probability law for asset returns. Our contribution is to develop a...
Persistent link: https://www.econbiz.de/10005504745
In this paper, we investigate the role of young adult mortality on child labour and educational decisions. We argue that mortality risks are a major source of risks in returns to education in developing countries. We show that, in the absence of appropriate insurance mechanisms, the level of...
Persistent link: https://www.econbiz.de/10005498071
The experimental literature has documented that there is overbidding in second-price auctions, regardless of bidders' valuations. In contrast, in first-price auctions there tends to be overbidding for large valuations, but underbidding for small valuations. We show that the experimental evidence...
Persistent link: https://www.econbiz.de/10005498113
We analyse how the governance structure of political parties influences electoral competition. Parties choose their organization to manipulate the incentives of politicians to provide effort. We show that intra- and inter-party competition interact to shape these incentives. We also get new...
Persistent link: https://www.econbiz.de/10005498196
One of the ways of decreasing the risk in the investments is diversification. This means the capitals not only to be spread in many investment holders but to be also properly chosen. Many examples (theoretical and practical) show that it is not always possible to create a portfolio with less...
Persistent link: https://www.econbiz.de/10005422818
Nowadays many employers offer their employees the possibility of an insurance against too large losses in income when retiring or becoming disabled. This paper models the optimization problem of the employer when setting up such a so-called pension fund. Not surprisingly, it turns out that the...
Persistent link: https://www.econbiz.de/10005370655
This study analyzes the commercial sex market in Managua, Nicaragua, to understand risky behavior among sex workers. While health risks are a major concern for sex workers, the risk of violence weighs more heavily in decision making, such that they more often take risks to their health than to...
Persistent link: https://www.econbiz.de/10005451709
In the wake of the Enron and Worldcom financial scandals that rocked Wall Street in 2002, the US government’s financial regulatory body, the Security and Exchange Commission (SEC) took the unprecedented step in June 2002 of requiring that the chief executives and chief financial officers of...
Persistent link: https://www.econbiz.de/10005458951