Capital gains tax, supply-driven trading and ownership structure: direct evidence of the lock-in effect

Abstract

This study investigates the effect of differential capital gains tax rates on investor trading and share prices in a unique market setting that facilitates the resolution of conflicting prior evidence of holding period tax incentives. In particular, we examine whether the concessionary tax treatment of long-term capital gains increases the supply of shares that qualify for long-term status, thereby causing downward price pressure. We find evidence of abnormal seller-initiated trading following the 12-month anniversary of listing for IPO firms that appreciate in price ('winners') and report no such evidence for firms that decline in price ('losers'). Consistent with the tax concessions being ..