30/4/19 Difference between economic and economical
Economic, without an “s”, is an adjective meaning “connected with economy”, e.g.
The economic growth is very slow.
Economical, on the other hand, carries a somewhat ﬁgurative meaning of “not requiring too much of something” (such as money, space, time, etc.), e.g.
That placement of furniture exhibits a very economical use of space.