The phrase "a more profitable activity" is correct and usable in written English.
It can be used when comparing the profitability of different activities or options, indicating that one is more financially beneficial than another.
Example: "Investing in renewable energy has proven to be a more profitable activity than traditional fossil fuels."
Alternatives: "a more lucrative endeavor" or "a more rewarding pursuit".
Wild's urban career really began as a "thief-taker", but this was cover for his more profitable activity as a fence of stolen goods.
Except perhaps to thank the officer for his diligence, not forgetting the detective he liaised with and crime desk advisers – for all were dragged into Griffin's wild goose chase, when they might otherwise have engaged in other more profitable activity.
—A More Profitable Ongoing Business.
For the purpose of this article the all-encompassing definition by Beauregard and Holcomb ([1981]) will be adopted who argue that inner-city revitalisation is investment to remodel or rebuild a portion of the urban environment to accommodate more profitable activities and expand opportunities for consumption, particularly retail and housing for middle- and upper- income households.
A young, rebellious and ultimately successful faction aspired to more profitable activities, notably the kidnapping of northern Italian businessmen.
Using a series of laboratory experiments in a South African setting, this paper examines whether the provision of a framed index insurance product induces individuals to opt into riskier but potentially more profitable activities.
Cantor Fitzgerald will split off its original business of person-to-person sales to focus on more profitable activities like institutional equity sales and trading.
Although there is little new money to help the farmers directly, this comes on top of the £1.6 billion set aside to help farmers diversify into other more profitable activities, as well as into what is now called "countryside stewardship .The rural white paper will encourage employment in the countryside.
A memo later explained, "A determination was made to suspend the program and any further activity pending a more profitable and suitable use".
That would have been a more profitable robbery.
