Economic
Financial, Economical
な adjective
経済 is economics. So, something that has to do with economics is the economic or financial situation.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. It will help to know 経済 as well.
この人数なら、タクシーで行く方が経済的じゃない？
With this number of people, wouldn't it be more economical to take a taxi?
私は経済的に苦しい立場にあるため、週五日フルタイムの仕事をしているうえに、週六日パートタイムでも働いています。
Since I am in a difficult financial position, I’m working full time 5 days a week while also working part time 6 days a week.
経済的な余裕は無いが、万が一に備えてできるだけ貯金をするようにしています。
Although we do not have the financial means to do so, we try to save as much as possible in case of emergency.