Suggested applications for include forecasting economic trends analyzing the competition, choosing international markets to enter, understanding consumer concerns during a crisis situation, and many others.

Secondary data

Explanation:

 The secondary data is one of the type of data that are collected other than the specific user such as organizational documents or records, censuses and the data are collected by any government department.

The main purpose of the secondary data is that it is generally used for the search purpose and when the information are statistically analysed then it is refers as the secondary data.

According to the question, the secondary data including various types of economical trends and by using the secondary data we can understand the customer concern related to the products in the market.

Therefore, Secondary data is the correct answer.  

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.