Extroverts like to be around other people and generally enjoy social situations while introverts are the opposite. Previous studies have shown that people who are extroverted also tend to be more assertive, experience more positive feelings and get more out of rewards in general.
Factors that cause a recession include high interest rates, reduced consumer confidence, and reduced real wages. Effects of a recession include a slump in the stock market, an increase in unemployment, and increases in the national debt. To unlock this lesson you must be a Study.com Member.
The short answer is that lots of things cause recessions. You can have demand side shocks like a credit crunch, higher interest rates, falling real wages, etc. You can have supply side shocks like spiking oil prices or other production shocks.