Agriculture modernization provides many sector benefits, such as increasing productivity, reducing production costs and increasing product quality and, thus, an intensive change in worker's activities. In this sense, the social, economic and demographic impacts of this change have been discussed...

We discuss when and why custom multi-factor risk models are warranted and give source code for computing some risk factors. Pension/mutual funds do not require customization but standardization. However, using standardized risk models in quant trading with much shorter holding horizons is...