Which section of a journal article will concisely describe the research problem, the sample, the method, and the findings

Abstract

Explanation:

The abstract is an information which gives a reader the  background information of a journal , showing the specific topic of the research, describing the research problems, and stating previous research done on the general topic, or stating that the topic  on the journal is a new research.

it further goes to show the analytical methods in the case of the  sciences and research procedures followed for the arts,highlighting findings and results and finally he significance or implications of such findings.

In general, We can say that An Abstract is a short concise summary of a journal which will further be developed in the body of the journal.  

b) to encourage free trade

levels of production can be increased by technology while holding labor and capital constant, because increased technology makes the production process more efficient. subsequently, the lras curve is almost a vertical line, that can shift to the right, with an increase in technology.

the relationship between the lras curve and the ppc is that both can make the economy could grow. the ppc achieves that when it shifts outward because of more resources or technological advances while the lras curve shifts if more resources are developed or if there are technological advances.

the lras curve is a vertical line at an output level that represents the number of goods and services a nation can produce over a sustained period using all of its productive resources as efficiently as possible with all of the current technology available to it.

the production possibilities frontier (ppf) is a graphical device that is used for economic analysis of production decisions because the ppf measures the maximum possible combinations of two goods that an economy is capable of producing with its currently available resources and technology.