Professore Associato

Giuseppe Alesii

https://orcid.org/0000-0003-0514-4583

corporate finance, financial management, real options, financial structure, derivatives, asset pricing
05 Finanza Aziendale
SECS-P/09 - Finanza aziendale
Mathematics and Applications

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Financial Data Analytics and Investment Data Driven Decisions I

this is the first module of two dealing with asset pricing and portfolio selection -- introductory level. It starts from scratch building up basic statistics analytics then used for positive economics asset pricing and portfolio selection models.

Course Prerequisites

Programming capabilities in Excel and in a matrix oriented programming language like MatLab, Gauss, Ox, Scilab, Octave. Infinitesimal Calculus capabilities for single and multiple variable functions.  Basic Probabilities calculus, discrete and continuous density functions. To successfully attend the course students must have been previously exposed to topics dealt with in the following courses:

  • Models and Algorithms for Financial Management
  • Probability And Mathematical Statistics
  • Foundations Of Programming And Laboratory
  • Operation Research And Optimization 

Course Objectives

The students quantitative and programming capabilities are applied to asset pricing and positive (economics) portfolio selection corporate finance modelling.

Course Content

  • assets returns and risk:
    • (a) how to compute an asset return, pages 9-13 (Lo and MacKinlay, 1999):
      • i. discrete vs continuously compounded asset returns:
      • ii. overlapping and non overlapping returns;
      • iii. capital gains, dividend yields and return indexes;
    • (b) expected returns and risk gauges, e.g. standard deviation, interquartile differences;
    • (c) which distribution represents best stock returns, pages 13-20 (Lo and MacKinlay, 1999);
    • (d) Market efficiency and returns predictability, chapter 2 (Lo and MacKinlay, 1999):
      • i. testing the Random Walk Hypothesis:
      • ii. returns prediction and trading rules;
        • A. technical analysis;
        • B. statistical learning and pattern recognition;
    • (e) variability of pairs of stocks, covariance and Bravais Pearson correlation index;
    • (f) linear relation between two stock returns and its estimation through ordinary least squares: regression line;

 

  • diversification effects when only risky assets are available, (Markowitz, 1959) Portfolio Selection:
    • (a) n = 2 risky stocks portfolio:
      • i. minimum variance opportunity set;
      • ii. efficient portfolios frontier;
      • iii. global minimum risk portfolio;
    • (b) n > 2 risky stocks portfolio:
      • i. efficient portfolio for a given expected return;
      • ii. how to choose among portfolios represented on the minimum variance opportunity set:
        • A. (Markowitz, 1959) mean variance criteria;
        • B. stochastic dominance criteria;
          • 1. first order stochastic dominance;
          • 2. second order stochastic dominance;
        • C. indifference curves in the risk return space, marginal rate of transformation (supply), marginal rate of substitution (demand); for a
          • 1. quadratic utility function;
          • 2 logarithmic utility function;
      • iii. Two Fund Separation Theorem, (Tobin, 1958) with risky assets only;

 

  • some empirical guesses about Data Generating Processes of joint stock returns;
    • (a) equally weighted portfolio experiment;
    • (b) systematic vs idiosyncratic risk:
      • i. single index model;
      • ii. market model;
    • (c) some Beta_j properties
      • i. Beta_j additivity principle;
      • ii. covariance and total risk, variance, of a portfolio;
      • iii. covariance of two stocks expressed as a function of their Beta_j ;
      • iv. partitioning of total risk, standard deviation of a stock in systematic and idiosyncratic risk, R2 and regression line;

 

  • CAPM of Sharpe-Lintner-Mossin, (Sharpe, 1963), (Lintner, 1956), (Mossin, 1966);
    • (a) assumptions;
    • (b) a simple derivation of the Security Market Line;
    • (c) about CAPM and market effciency: Jensen's alpha_j;
    • (d) how to discount risky cash flows:
      • i. risk adjusted rate of return;
      • ii. certainty equivalent;
    • (e) ex post CAPM;
    • i. derivation;
    • ii. the characteristic line of a stock;

 

  • CAPM without riskless asset, two factor model of (Black, 1972);
    • (a) orthogonal portfolio derivation;
    • (b) a simple derivation of the Security Market line without riskless asset;
    • (c) (Roll, 1977) critique about the efficiency of the market portfolio, numerical example;

 

  • Ross (1976) APT.
    • a) a new Data Generating Process: multi index model vs multi factor model, orthogonalizing factors;
    • b) a proof of how arbitrage portfolios which endure no risk, neither idiosyncratic nor systematic, must have nil returns on average;
    • c) risk premia and risk sensitivities;
    • d) APT parameters estimation approaches overview;
    • e) Using APT in Asset management
      • e.1) Passive investment strategies;
      • e.2) Active investment strategies;
Financial Data Analytics and Investments Data Driven Decisions

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