astronomy

John Donaldson (economist)

John Donaldson (economist) is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand John Donaldson (economist) rather than just read about it. In short: John B. Donaldson (born 1948) is an American economist and presently the Mario J.

Key takeaways

John Donaldson (economist) belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect John Donaldson (economist) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of John Donaldson (economist) from memory before moving on to harder problems.

Reference excerpt

John B. Donaldson (born 1948) is an American economist and presently the Mario J. Gabelli Professor of Finance at Columbia Business School. His interests are in business and finance options, its asset pricing, business cycles and especially real economic impact on equilibrium prices. He has published his work in Econometrica, Journal of Economic Dynamics and Control, International Economic Review, Journal of Economic Theory, Journal of Monetary Economics, Quarterly Journal of Economics, Review of Economic Dynamics, and Review of Economic Studies.

Education and early career Donaldson earned his B.S. in mathematics at Lafayette College in 1970, and his M.S. in mathematics, in 1972, and his M.S. in economics in 1974, his Ph.D. in 1976, all three at Carnegie Mellon University. He joined Columbia University in 1977.

Work and publications Donaldson has been consistently cited in the last 10 years for his publications, and his highest cited paper is "Junior can't borrow: A new perspective on the equity premium puzzle" at 552 times, according to Google Scholar.

“Stochastic Properties of Fast vs . Slow Growth Economies, (with J.P. Danthine), Econometrica, 49 (1981), 1007-1033. Reprinted in “Growth Theory” edited by R. Becker and E. Burmeister, volume III of the International Library of Critical Writings in Economics, Edward Elgar Publishing Ltd., Cheltenham 1989. “Certainty Planning in an Uncertain World: A Reconsideration,” (with J.P. Danthine), Review of Economic Studies, 48 (1981), 507–510. “Labour relations and asset returns,” (with J.P. Danthine), Review of Economic Studies, 69 (2002), 41–64. “Methodological and empirical issues in real business cycle theory,” (with J.P. Danthine), Review of Economic Studies, 69 (2002), 41–64. “Efficiency wages and the business cycle puzzle,” (with J.P. Danthine), European Economic Review, 34 (1990), 1275–1301. “Inflation and asset prices in an exchange economy,” (with J.P. Danthine), Econometrica, (1986), 585–605. “The structure of intertemporal preferences under uncertainty and time consistent plans,” (with T.H. Johnsen), Econometrica, (1985), 1451–1458. “Comparative dynamics of an equilibrium intertemporal asset pricing model,” (with R. Mehra), Review of Economic Studies, 51 (1984), 491–508. “Stochastic properties of fast vs. slow growing economies,” (with J.P. Danthine), Econometrica, (1981), 1007–1033.

References

Worked examples

Example 1 — a first encounter with John Donaldson (economist)

Start with the simplest possible case. Write down what John Donaldson (economist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to John Donaldson (economist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about John Donaldson (economist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of John Donaldson (economist)

In research: John Donaldson (economist) appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses John Donaldson (economist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: John Donaldson (economist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1948 births, 21st-century American economists, Carnegie Mellon University alumni, so understanding it makes those chapters shorter.
In everyday life: Look for John Donaldson (economist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study John Donaldson (economist) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what John Donaldson (economist) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain John Donaldson (economist) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is John Donaldson (economist) in simple terms?

John B. Donaldson (born 1948) is an American economist and presently the Mario J.

Why does John Donaldson (economist) matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study John Donaldson (economist)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on John Donaldson (economist).