Gains in Railroad Productivity Were Caused by

question 1

Multiple Choice

Gains in railroad productivity were caused by

• A) more powerful locomotives.
• B) automatic couplers.
• C) air brakes.
• D) All of the above are correct.
• E) Only a and b are correct.

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Definitions:

Fund Assets

The total value of all the securities and cash held by an investment fund.

Exchange-traded Fund

A type of investment fund and exchange-traded product, i.e., they are traded on stock exchanges. ETFs hold assets such as stocks, commodities, or bonds and generally operate with an arbitrage mechanism designed to keep it trading close to its net asset value.

SPDR

Specialty financial products known as Spider, they are exchange-traded funds (ETFs) that attempt to mimic the performance of a specific index, such as the S&P 500.

Spider

A nickname for SPDR (Standard & Poor's Depositary Receipts), a type of exchange-traded fund that mimics the performance of the S&P 500.