Beta coefficients are the cornerstone of asset pricing theory in the CAPM and multiple factor models. This chapter proposes a review of different time series models used to estimate static and time-varying betas, and a comparison on real data. The analysis is performed on the USA and developed...

Using a new approach relying on news wire reports, we estimate the proportion of secret interventions (i.e., unreported official interventions) in the foreign exchange markets that have been conducted by the three major central banks since 1985. We therefore revisit the estimation of conditional...

We show that common short sold capital can explain future six-factor excess return correlation one month ahead, controlling for many pair characteristics, including similarities in size, book-to-market, and momentum. We explore the possible mechanisms that could give rise to this relationship....

This paper examines the effect of firms’ lobbying activities on penalties received from public competition authorities. We show that lobbying expenditures are negatively associated with the amount of the cartel sanction, within cartel. Our estimates also report that cartel sanctions are more...