We examine clustering of transaction prices in a sample that contains high-frequency trading firms’ transactions. We separate our sample into four categories: transactions with a high-frequency trading firm on both sides of the transaction, on only one side of the transaction (either liquidity...

Collar offers are merger offers using all stock as the method-of-payment that specify a range within which the bidder's price can fluctuate. In this paper the wealth effects associated with collar offers are determined, and cross-sectional regressions are employed to determine if this offer type...