论文：Information environment, market-wide sentiment and IPO initial returns: Evidence analyst forecasts before listing-Measuring the information environment of firms using analyst (price) forecast bias and forecast dispersion before listing, we e

his a direct and complete translation of the Gauss codes of Bai, J. and P. Perron (1998) Estimating and Testing Linear Models with Multiple Structural Changes Econometrica, vol 66, 47-78 and Bai, J. and P. Perron (2003) Computation and Analysis