RSK 4804
University Of South Carolina
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Exam (elaborations)
RSK4804+FORMULAE (RSK4804) Assignment 01 Solutions
Question 1 
Explain Probability of default and briefly discuss its uses. (10) 
Suggested solution 
It is a statistical percentage probability of a borrower defaulting√ and it is directly linked 
to credit grades √ 
Uses 
• Quantification of credit risk √ PD facilitates distinguishing the credit risk of 
different asset classes in a portfolio and judging the credit worthiness of the 
obligor. √ 
• Allocation of capital√ if the probability of default is high capital allocation is als...
Exam (elaborations)
RSK4804 Assignment 01 memo | Questions & Answers From The Real Exam |Rated A+
Popular2 SUGGESTED ANSWERS TO ASSIGNMENTS 
Question 1 
Distinguish between credit risk assessment and credit risk measurement. (10) 
Suggested Answer 
Credit risk assessment 
Is a credit management process that seeks to identify and control risks by 
determining the borrower’s probability of repaying the debt√. Through credit analysis, 
an assessment is made of the borrower’s income, balance sheet, and cash flow 
statements, along with character, capacity, and capital adequacy, all of which are 
...
Exam (elaborations)
RSK 4804 /RSK4804 Assignment 01 memo/Department of Finance, Risk Management and Banking
Department of Finance, Risk 
Management and Banking
Exam (elaborations)
Rsk4804+Formulae (1)
RSK4804 FORMULAE 
Expected Loss 
EL = PD x EAD x LGD 
Portfolio return (assuming a portfolio with two assets) 
E(Rp) = W1(R1) + W2(R2) 
Portfolio standard deviation (assuming a portfolio with two assets) 
σp= √x2A σ2A + x2Bσ2 + 2xAxBCovA,B 
Covariance = ρ 
σ1 σ2 
Correlation (ρ) = covariance1,2 / σ1 σ2 
Altman Z-score 
Z =1.2 X1 
 + 1