We develop the Probability Scaling Method, which rescales short-window announcement period returns; and the Intervention Method, which uses returns associated with intervening events, to estimate value improvements from tender offers. These methods address biases in conventional techniques,...

In this paper we investigate the incidence of high technology acquisitions using a large international sample of acquisitions by public high technology firms. Controlling for firms’ financial characteristics, we examine the impact of the following innovation- related factors on the propensity...

In this paper we investigate the motives of high-tech acquirers by analysing their revealed preferences in terms of the high-tech companies they acquire. Using a large sample of acquisitions involving publicly traded firms from various countries we ask whether high technology acquisitions are...

This paper challenges the conventional wisdom that the 1960s conglomerates were inefficient. I offer valuation results consistent with recent event-study evidence that markets typically rewarded diversifying acquisitions. Using new data, I compute industry-adjusted valuation, profitability,...