Jermaine sees a car accident and he initially estimates the offending driver to be traveling at 39 miles per hour. however, after hearing another witness's report of the cars "bumping" and answering a police officer's questions about the rate of speed when the cars "contacted," he subsequently revises his estimate to 30 miles per hour and his memory of the accident changes. this is an example of

Which of the statements best describes why the aggregate demand curve is downward sloping? an increase in the aggregate price level causes consumer and investment spending to fall, because consumer purchasing power decreases and money demand increases. as the aggregate price level increases, consumer expectations about the future change. as the aggregate price level decreases, the stock of existing physical capital increases. as a good's price increases, holding all else constant, the good's quantity demanded decreases.