Research on the impact of open market share repurchases has been hindered by the lack of data available on actual share repurchases in many countries, including the US. Using a previously unused database containing detailed information on 36,848 repurchases made by 352 French firms, we show that corporate share repurchases have a significant adverse effect on liquidity as measured by bid–ask spread or depth. Our results also indicate that share repurchases largely reflect contrarian trading rather than managerial timing ability.

We analyze the reasons why companies issue units when they raise additional capital. We find that, in contrast to previous evidence, units are not offered to mitigate the agency conflicts or to signal security mispricing as they are predominantly issued during cold periods, in public rather than in rights offerings, and when the issue is underwritten. In addition, the results indicate that companies choose to offer units to increase their offer price flexibility and to underprice their seasoned equity offering so as to minimize the issue cost and the risk of failure of the issue. These results provide support for the net proceeds maximization hypothesis.