GDP has grown in a country at 4% per year for the last 30 years. The labor force has grown at 1% per year and the quantity of physical capital has grown at 5% per year. Physical capital per worker in this country has grown by %.

4%

Explanation:

physical capital per worker has grown by = physical labor growth rate - labor force growth rate = 5% - 1% = 4%

Physical capital refers to the amount of equipment and physical structures used to produce goods and services. The physical capital per worker is a ratio that divides total physical output by the total labor force. An increase in the physical capital per worker should result in an increase in labor productivity. E.g. A delivery service uses a bicycle and is able to deliver 10 packages every 4 hours, but if they start to use a delivery truck, the delivery service will be able deliver 20 packages every 4 hours.

the u.s. census bureau produces data on the population and economy nationwide. it can you to analyze the kind of people living in your neighborhood. it does not show you the market of people willing to buy your product or an existing market for your product. that will require more market research. the census bureau only gives you an insight to the demographics in your area.