Lecture 3- Portfolio Theory Flashcards
What are the 2 main approaches to portfolio management and construction?
- Top down/macro approach
- Bottom up approach
How does the top down/macro approach work?
A manager looks at the major macrodrivers of asset returns and obtains a view (forecast) about these drivers in the form of a macroeconomic forecast
How does the bottom up approach work?
It focuses on the micro analysis of individual asset issues, sectors, and specific industries
What are 3 main variables considered in the top down approach?
- Monetary policy
- Fiscal policy
- Exchange rate movements
What are the 3 main variables considered in the bottom up approach?
- Credit analysis
- Industry analysis
- Relative value analysis
What is the formula for portfolio return?
r_p = w1r1 + w2r2
where r is return and w is the weighting of each asset
What is a security’s unsystematic risk?
Firm-specific risk which can be diversified away
What is systematic risk?
Market risk which cannot be eliminated by diversification
What are efficient portfolios?
Portfolios that maximize the expected return from an investment subject to a given level of risk
What is the efficiency frontier?
The mean-standard deviation frontier, representing different weights of assets 1 and 2., where the correlation coefficient is zero