"increase economy" is correct and can be used in written English.
You can use it when you want to refer to the growth of an economy, such as when talking about a country's financial success or plans to make an economy stronger. For example: "The government is working to increase economy with several fiscal policies."
(Vodafone owns a small stake in China Mobile and would like a single global 4G standard to make roaming easier and increase economies of scale).
With a narrow, though loyal, customer base focused on Sweden, Britain and the American Northeast, it proved too small to lure the world's big automakers, many of which are seeking tie-ups to increase economies of scale.
It meant value engineering, localization and negotiation with suppliers to increase economies of scale.
However, the efficiency of ART delivery may be a function of scale [ 26]; that is, efficiency may increase (economies of scale) or decrease (diseconomies of scale) as the total number of patients increases.
But it will be economical only if used in the nearest areas to the production site; because when the transportation cost increases, economy of the construction decreases.
Thus selection pressures for increased economy and limb length among living terrestrial animals may be relatively weak and similar in magnitude across ecologically diverse species.
With increased economy class seating, up to 498 passengers could be carried in early versions and more than 550 in later models.
Hence, markets fail under increasing economies of scale.
The most significant changes have probably been in how governments understand increasing economies of scale production.
The standard concern with increasing economies of scale is that market forces will lead to monopoly production.
From the early 1980s, however, the proposition of increasing economies of scale was challenged for those types of services.
