Inflation refers to a general increase in the price level of goods and services in an economy over time. The document outlines various types of inflation including demand-pull, cost-push, and pricing power inflation. It also discusses the effects of inflation on the economy such as negative effects like a decrease in purchasing power and positive effects like mitigating economic recession. The causes of inflation include issues like a lack of balance in the country's budget and increases in production costs. Measures to control inflation involve both monetary policy like adjusting the money supply and fiscal policy like increasing taxes or reducing unnecessary expenditures.