Introduction -- Random Walk Characteristics of Stock Returns -- Nonlinear Dependence in Stock returns -- Mean Reverting Tendency in Stock Returns -- Long Memory in Stock Returns: Theory and Evidence.-Long Memory in Stock Market Volatility -- Summary and Conclusion.

In collaboration with the Government of Bihar, India, we conducted a large-scale experiment to evaluate whether transparency in fiscal transfer systems can increase accountability and reduce corruption in the implementation of a workfare program. The reforms introduced electronic fund-flow, cut...