Please this is quite a technical topic, if you don’t know it, don’t wast anyone’s time.
ESG Investing has become extremely popular among institutional investors, either by integrating environmental, social or governance aspects in the analysis, or by screening out so called sin stocks, or by targeting a specific sustainable theme like investing in low-carbon companies.
An important question that arises is how ESG integration affects the nature of passive and smart beta portfolios: how do risk premia change? Does it reduce the efficiency of harvesting the factor that the strategy is targeting?