A change in which variable will change the market demand for a product?

The personal distribution of income shows

A) that labor receives the largest percentage of total income. B) how profit accounts for the largest fraction of total income. C) that the richest 20 percent of households receive 23 percent of total income. D) that interest accounts for most of the income of the richest 20 percent of households. E) that the poorest 20 percent of households receive less than 4 percent of total income.

The new Keynesian models, are examples of

A) market-clearing, wage rigidity models. B) non-market-clearing, wage rigidity models. C) imperfect information, wage rigidity models. D) perfect information, non-clearing market models.