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Theory of market fluctuations
Theory market fluctuations
2010/12/17
We propose coalescent mechanism of economic grow because of redistribution of external resources. It leads to Zipf distribution of firms over their sizes, turning to stretched exponent because of size...
A Theory for Market Impact: How Order Flow Affects Stock Price
Theory Market Impact Order Flow Affects Stock Price
2010/12/17
It is known that the impact of transactions on stock price (market impact) is a concave function of the size of the order, but there exists little quantitative theory that suggests why this is so. I ...
Productivity Dispersion: Facts, Theory, and Implications
Productivity Dispersion Facts Theory Implications
2010/12/20
We study productivity dispersions across workers, firms and industrial sectors. Empirical study of the Japanese data shows that they all obey the Pareto law, and also that the Pareto index decreases ...