It is discussed intensively whether divestment decease sales in the fossil fuel industry or whether investors divest from the fossil fuel industry because of stranded assets. Furthermore, it is unclear what the consequences of these activities are for the fossil fuel industry. Therefore, the study explores the direction of causality between cash flow factors, such as production factors and sources of financing and sales of the fossil fuel industry using lagged regression models and applying the Granger causality test. Our sample consists of fossil fuel companies from the Carbon Underground 200 list. Because R-squared values for both lagged financial factors and lagged sales were similar, we suggest a “bi-directional causality” between the f...