astronomy

Jacob Hollander

Jacob Hollander 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 Jacob Hollander rather than just read about it. In short: Jacob Harry Hollander (1871–1940) was an American economist. Biography Hollander was born in Baltimore, Maryland.

Key takeaways

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

Reference excerpt

Jacob Harry Hollander (1871–1940) was an American economist.

Biography Hollander was born in Baltimore, Maryland. He graduated from Johns Hopkins University with a BA in 1891, and a PhD in 1894. He became associate professor of finance there. In 1900, he became assistant professor of political economy, becoming full professor in 1904. He was appointed secretary to the Bimetallic Commission of 1897. US President McKinley named him Treasurer of the island of Puerto Rico in 1900. He resigned in 1901 after introducing a tax system. He was special commissioner to investigate financial conditions in San Domingo and until 1908 was financial advisor of the Dominican Republic. He also was an official arbitrator in various labour disputes. He was President of the American Economic Association in 1921.

Works

His contributions to Ricardo scholarship are considerable. He edited the Letters of David Ricardo to J. R. McCulloch (1895) and (together with James Bonar) Letters to Hutches Trower and others (1899). He also initiated a famous series of Reprints of Economic Tracts in 1903. Major publications:

The Cincinnati Southern Railway: A Study in Municipal Activity (1894) The Financial History of Baltimore (1899) Studies in State Taxation (1900) Report on the Debt of Santo Domingo (1906) David Ricardo: A Centenary Estimate (1911) The Abolition of Poverty (1914) War Borrowing (1919) Economic Liberation (1925) Want and Plenty (1932)

Notes

References Weisberger, Rosamond H. (1947). "Obituary: Jacob Harry Hollander". Publications of the American Jewish Historical Society. 37: 471–473. JSTOR 43058363. M. Blaug (ed.) - Who's who in economics (3d edition), 1999. Reynolds, Francis J., ed. (1921). "Hollander, Jacob Harry" . Collier's New Encyclopedia. New York: P. F. Collier & Son Company.

External links Works by or about Jacob Hollander at the Internet Archive Jacob Hollander at Find a Grave

Illustrations

Worked examples

Example 1 — a first encounter with Jacob Hollander

Start with the simplest possible case. Write down what Jacob Hollander 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 Jacob Hollander 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 Jacob Hollander 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 Jacob Hollander

In research: Jacob Hollander 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 Jacob Hollander 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: Jacob Hollander is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1871 births, 1940 deaths, American economics writers, so understanding it makes those chapters shorter.
In everyday life: Look for Jacob Hollander 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 Jacob Hollander in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Jacob Hollander 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 Jacob Hollander out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Jacob Hollander in simple terms?

Jacob Harry Hollander (1871–1940) was an American economist. Biography Hollander was born in Baltimore, Maryland.

Why does Jacob Hollander 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 Jacob Hollander?

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 Jacob Hollander.