[Solved] An investor who "writes" a call option without the stock in his or her portfolio to back it up is selling a(n) A) Call option. B) Put option. C) Out-of-the-money option. D) Naked option. E) Covered option. Income Growth: An increase in the amount of money received from work, investment, or other sources, over time, contributing to economic expansion or personal wealth. World's Population: The total number of people currently living on Earth. World's Output: The total production of goods and services by all countries and economies worldwide over a specified period of time. Poorest 20 Percent: The segment of the population with the lowest income, representing the bottom quintile in the distribution of income or wealth.