Journal de l'économie mondiale

Stock market returns have long been a subject of interest for investors and economists alike. The United States has one of the most developed and dynamic stock markets in the world and its movements can have far-reaching effects on the global economy. While many factors can influence stock market returns, one significant factor that has received increased attention in recent years is macroeconomic variable uncertainty. Macroeconomic variable uncertainty refers to the degree of unpredictability or ambiguity surrounding key economic indicators such as inflation, interest rates, and GDP growth. When these variables are uncertain, investors may be less willing to take risks, which can lead to increased volatility in stock prices. Uncertainty can arise from a variety of sources, including changes in government policies, geopolitical events, and fluctuations in commodity prices.

The transition to renewable energy is becoming increasingly important for economic growth in the 21st century. As global demand for energy increases, the world is looking towards alternative sources of energy that are more sustainable and less harmful to the environment. Renewable energy is the answer to these challenges, as it offers a sustainable, affordable and reliable source of energy that can power economies and create new industries. This article explores the role of renewable energy in economic growth and how the transition to renewable energy can benefit both developed and developing countries.