environmental regulation on innovation and on productivity generally in separate analyses and mostly focusing on the USA. The few … performance indicators such as exports. We instead look at overall innovation and productivity impact that are the most relevant … with most of the literature. On the other front, we find no evidence in favor or against the "strong" PH, as productivity …

environmental regulation on innovation and on productivity generally in separate analyses and mostly focusing on the USA. The few … performance indicators such as exports. We instead look at overall innovation and productivity impact that are the most relevant … with most of the literature. On the other front, we find no evidence in favor or against the “strong” PH, as productivity …