the abnormal returns and volatility changes of those component stocks. The empirical results show that, after the removal … volatility. To reduce the possible impact on volatility, the authorities may take the activity of margin transactions into …

China-US trade war and Russia's invasion of Ukraine, are further rattling the food market. As the world's largest consumer … of agricultural goods, China's trade strategies influence world markets, with ripple-down effects for consumers around … the world, particularly in the Global South. This policy brief aims at shedding light on China's current market actions …