If the mathematical expectation is positive (a profitable strategy) and equal to $100 and if the standard deviation is equal to $500, we risk a sum, which is several times larger, to earn each dollar. For example, we have the results of 30 trades: Trade NumberX (Result) 1 -17.08 2...
During the Roman Empire, the different trades came to be treated as entities with particular functions in the public service, the charge and responsibility for which lay with the corporation. Because the service was imposed, requiring state sanctions to maintain it, the corporations ceased to exist...