|Economy that relates with economics of all the countries of the world. It is all of national economics. World-wide economic activity between various countries that are considered intertwined and thus can affect other countries negatively or positively. A key concept in the global economy is globalization, which is the process that leads to individual economies around the world being closely interwoven such that an event in one country is bound to affect the state of other world economies. A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity. Each such journal article becomes part of the permanent scientific record.