The Idea Equation video, How has the distribution of spending on Research & Development (R&D) changed since 1990, according to the passage? It has decreased overall. It has remained unchanged. It has shifted towards emerging economies. It has become more concentrated among fewer nations.The Idea Equation video, What factor contributes to the increase in profit from R&D, as mentioned in the passage? Deterioration of property rights Globalization of markets Decrease in global market size Political instability