The first difference of an I(1) time series is weakly dependent.
Answer the following statement true (T) or false (F)
True
Rationale: The first difference transformations of an I(1) time series is weakly dependent.
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In a perfectly competitive market, many firms produce many different varieties of the same product.
Answer the following statement true (T) or false (F)
Which person is most likely to be poor? A person who is
A. over 65 years of age. B. black. C. white and under 6 years of age. D. living in a female-heading family with children under 18.
Which of the following people are liquidity providers?
A. Stock broker B. Real estate agent C. Used car salesman D. All of these are considered liquidity providers.
Which of the following equations would indicate income elasticity of demand?
a. +20% × +10% = +200 b. +20% + +10% = +30 c. +20% ¸ +10% = +2 d. +20% – +10% = +10