According to hertzel and smith (2001), by the year 2050, older people will make up % of the population and younger people will make up % of the population.

As of 2013, the world’s total population was about

What effect did increased automobile production have on other industries

In a small, closed economy, national income (gdp) is $350 million for the current year. individuals have spent $100 million on the consumption of goods and services. they have paid a total of $60 million in taxes and the government has spent $75 million on goods and services this year. use this information and the national income identity to answer the questions. how much does the economy spend on investment?