Showing 621 - 626 of 626
This paper investigates the impact of exposure to a serious, unusual, and unforeseen malaria epidemic in North East Brazil in 1938-1940 on subsequent human capital attainment. Arguing the event was exogenous, it exploits cohort- and regional-heterogeneity in exposure to identify effects. Given...
Persistent link: https://www.econbiz.de/10011205400
We examine the impact of board diversity on both the corporate value and equity risk of British companies since the financial crisis. We find that the inclusion of overseas directors on boards improves market value and reduces equity risk. When the number of female directors included on the...
Persistent link: https://www.econbiz.de/10011206317
Different theoretical and numerical methods for calculating the fair-value of a variance swap give rise to systematic biases that are most pronounced during volatile periods. For instance, differences of 10-20 percentage points would have been observed on fair-value index variance swap rates...
Persistent link: https://www.econbiz.de/10011206318
We consider a number of ways of testing whether macroeconomic forecasters herd or anti-herd, i.e., whether they shade their forecasts towards those of others or purpose- fully exaggerate their differences. When applied to survey respondents expectations of inflation and output growth the tests...
Persistent link: https://www.econbiz.de/10011206319
Most research on option hedging has compared the performance of delta hedges derived from different stochastic volatility models with Black-Scholes-Merton (BSM) deltas, and in particular with the `implied BSM’ model in which an option’s delta is based on its own market implied volatility....
Persistent link: https://www.econbiz.de/10011206320
This paper explores the properties of random orthogonal matrix (ROM) simulation when the random matrix is drawn from the class of rotational matrices. We describe the characteristics of ROM simulated samples that are generated using random Hessenberg, Cayley and exponential matrices and compare...
Persistent link: https://www.econbiz.de/10011206321