TY - JOUR AU - Jovanovic,Boyan AU - Rousseau,Peter L. TI - Why Wait? A Century of Life Before IPO JF - National Bureau of Economic Research Working Paper Series VL - No. 8081 PY - 2001 Y2 - January 2001 UR - http://www.nber.org/papers/w8081 L1 - http://www.nber.org/papers/w8081.pdf N1 - Author contact info: Boyan Jovanovic New York University Department of Economics 19 W. 4th Street, 6th Floor New York, NY 10012 Tel: 212/998-8953 Fax: 212/995-4186 E-Mail: Boyan.Jovanovic@nyu.edu Peter L. Rousseau Department of Economics Vanderbilt University VU Station B #351819 2301 Vanderbilt Place Nashville, TN 37235-1819 Tel: 615/343-2466 E-Mail: peter.l.rousseau@vanderbilt.edu AB - Firms that entered the stock market in the 1990s were younger than any earlier cohort since World War I. Surprisingly, however, firms that IPO'd at the close of the 19th century were just as young as the companies that are entering today. We argue here that the electrification-era and the IT-era firms came in young because the technologies that they brought in were too productive to be kept out very long. The model assumes that the stage before IPO is a learning period during which the firm refines the idea before committing to it at the IPO stage. The better the idea, the higher is the opportunity cost of a delay in its implementation, and the earlier the firm will have its IPO. ER -