This is a part of lecture presented by Varsha Sharma, Asst. Professor of Biyani Girls College. The video is about Capital Assets Pricing Model. CAPM was developed by William F Sharpe. CAPM provides the link between return and the non diversifiable risk. An investor can use CAPM to assess the extent of additional return over risk free return for a given level of systematic risk of a risky investment. The excess return

earned over and above the risk free return is called the risk premium which is the reward for undertaking the risk. Thus the basic them of CAPM is that expected return of a security increase linearly with systematic risk, measured by Beta.

This is a part of lecture presented by Ms. Varsha Sharma, Asst. Professor of Biyani Girls College. The video is about the elasticity of Demand. The proportionate change in the quantity demand as result of proportionate change in its price is studied in elasticity of demand. It expresses the price and quantity in mathematical form and measure the rate of change. There are five degree of elasticity of demand (1)

Perfectly elastic demand (2) Perfectly inelastic demand (3) Unitary elastic demand (4) Elastic demand (5) Inelastic demand.