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Evolutionary Model of the Growth and Size of Firms
firm size distribution firm growth Gibrat's law product growth size-variance relationship growth rate distribution Subbotin distribution Laplace distribution Pareto distribution price distribution human activity evolutionary economics product life cycle learning curve market size Hendersons law law of diminishing returns competitive markets
2012/9/14
The key idea of this model is that firms are the result of an evolutionary process. Based on demand and supply considerations the evolutionary model presented here derives explic...
Large tick assets: implicit spread and optimal tick size
Microstructure of nancial markets high frequency data large tick assets implicit spread market making limit orders market orders optimal tick size.
2012/9/14
In this work, we bring to light a quantity, referred to as implicit spread, playing the role of spread for large tick assets, for which the eective spread is almost always equal to one tick. The rele...