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MFin

What is free cashflow to the firm? 
7 Jun 2026

What is free cashflow to the firm? 

by Simon Taylor | posted in: Economics, Key finance concepts | 0

Free cashflow means cashflows generated by a company in excess of all its operating and investing needs. It’s not free in the sense of “costless”, rather it’s available for distribution to capital owners, or for re-investment in the business. * … Continued

Key financial concepts
6 Jun 2026

Key financial concepts

by Simon Taylor | posted in: Economics, Finance sector, Financial products, Key finance concepts | 1

This page brings together a number of posts that I call key financial concepts. Each is explained simply for non-experts, mostly without any diagrams or equations. They are intended to be helpful to students or anybody just curious about finance. … Continued

Key finance concepts: Net present value and cost benefit analysis 
6 Jun 2026

Key finance concepts: Net present value and cost benefit analysis 

by Simon Taylor | posted in: Economics, Key finance concepts | 0

A key question in corporate finance is, how should companies decide when to invest the funds at their disposal? The best answer provided by financial economics is to use the net present value (NPV) rule. Here I want to show … Continued

cost-benefit analysis, NPV
Key finance concepts: the benefits of diversification
6 Jun 2026

Key finance concepts: the benefits of diversification

by Simon Taylor | posted in: Key finance concepts | 0

The two foundational concepts in financial economics are: i) risk and return tend to go together, which we explore here; and ii) diversification is a good thing. * The old European proverb, don’t put all your eggs in one basket, captures the benefits … Continued

Portfolio diversification
Key finance concepts: What do we mean by risk and return? 
6 Jun 2026

Key finance concepts: What do we mean by risk and return? 

by Simon Taylor | posted in: Economics, Key finance concepts, Uncategorized | 0

There are two basic, common-sense principles at the heart of finance theory. The first is that risk and return tend to go together, in other words, if somebody offers you an investment which promises to be both low risk and high return there’s probably something wrong with it. And the second … Continued

returns, risk
Key finance concepts: The cost of equity
6 Jun 2026

Key finance concepts: The cost of equity

by Simon Taylor | posted in: Key finance concepts | 0

The cost of equity is the return that equity investors need to be paid, or to expect to be paid, as compensation for bearing equity risk. That’s the the systemic, undiversifiable risk risk you have to bear if you hold a well-diversified equity portfolio,. It’s a … Continued

CAPM, equity, equity risk premium
Key finance concepts: The risk-free rate of interest
6 Jun 2026

Key finance concepts: The risk-free rate of interest

by Simon Taylor | posted in: Key finance concepts | 0

A key concept in the theory of finance is the risk-free rate of interest, a rate that an investor can achieve at zero risk of a loss. It is the minimum return to compare with the higher expected returns on … Continued

bonds, interest rates, risk, sovereigns
Debt-fuelled bubbles are the dangerous ones
5 Mar 2026

Debt-fuelled bubbles are the dangerous ones

by Simon Taylor | posted in: Finance sector, Key finance concepts | 0

Bubbles are an enduring feature of financial and commodity markets. But it is when they are driven by debt that their bursting becomes dangerous * The best book I’ve read on financial bubbles is William Quinn and John D. Turner’s … Continued

bubbles, crises, debt, real estate, US
Key finance concepts: real versus financial assets
30 Dec 2025

Key finance concepts: real versus financial assets

by Simon Taylor | posted in: Economics, Key finance concepts | 0

Real assets are the assets that companies seek to acquire, to build and to invest in. Financial assets are the resources that they raise to allow that to happen. The distinction underpins what we call corporate finance – the financing of corporations. * When economists … Continued

cryptoassets, gold, SDR
Key finance concepts: the agency problem
17 Dec 2025

Key finance concepts: the agency problem

by Simon Taylor | posted in: Economics, Key finance concepts, Uncategorized | 0

A particular case of asymmetric information is where one person, who we call the principal, wants to get another person, who we call the agent, to do something on their behalf. This situation is known as the principal-agent problem, or more simply … Continued

agency, asymmetric information, Corporate governance
Key finance concepts: asymmetric information
17 Dec 2025

Key finance concepts: asymmetric information

by Simon Taylor | posted in: Economics, Key finance concepts, Uncategorized | 0

Asymmetric information is where two people doing business together have different levels of information about something important to the transaction, meaning that one may be able to take advantage of the other. It is very common in economic life. * Information is … Continued

adverse selection, agency, asymmetric information, moral hazard
Key finance concepts: What is a corporation?
3 Sep 2024

Key finance concepts: What is a corporation?

by Simon Taylor | posted in: Book recommendation, Course material, Economics, Key finance concepts | 1

Ahead of teaching corporate finance each year, I like to try to explain what a corporation actually is. * A corporation is a particular way of organising economic activities. What is called a corporation in the US is called a … Continued

Corporate finance, Corporate governance
Climate change and finance
27 Aug 2024

Climate change and finance

by Simon Taylor | posted in: Course material, Energy | 0

Climate change is a systematic risk * In the standard theory of portfolio diversification, we divide risk into systematic and idiosyncratic or diversifiable risk. We argue that idiosyncratic risks can be diversified away, so there is no market reward for … Continued

Climate change, risk management
Multiple causation in history: the case of the Global Financial Crisis
18 Aug 2024

Multiple causation in history: the case of the Global Financial Crisis

by Simon Taylor | posted in: Course material, MFin | 0

Each year on the Master of Finance core course on Financial Institutions and Markets, I do a session on the Great Financial Crisis of 2007-09. One thing I emphasise is the many different causes of this highly influential event, which … Continued

China, GFC, history, regulation, USA
Why markets ignore sovereign debt ratings for the US
2 Aug 2023

Why markets ignore sovereign debt ratings for the US

by Simon Taylor | posted in: Economics, Finance sector, Key finance concepts | 0

Debt rating agencies have no particular expertise or special information on sovereign debt, especially for developed economies, so their views don’t matter * News that Fitch downgraded the US sovereign debt rating from AAA (the highest rating) to AA+ (the … Continued

credit, debt, risk, sovereigns, USA

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About

Simon is Management Practice Professor of Finance at Cambridge Judge Business School. From 2008-2018 he was the first Director of the University of Cambridge Master of Finance (MFin) degree, and was later the first Director of the University's Global Executive MBA. An economist and former equities analyst at JPMorgan and Citigroup, he teaches on financial markets and institutions, infrastructure finance and the world financial system. He is a Fellow in Management at St Catharine's College, Cambridge, where he is a member of the investment committee, and a research associate of the Cambridge Energy Policy Research Group, where he specialises in nuclear finance.

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