The phrase "a relatively small sector" is correct and usable in written English.
It can be used when discussing a specific part of a larger industry or market that is not very large in comparison to others.
Example: "In the context of renewable energy, solar power represents a relatively small sector of the overall energy market."
Alternatives: "a comparatively minor sector" or "a modest segment".
"Of course, housing is a relatively small sector of the economy, and its decline should be self-correcting," she said.
Though still a relatively small sector within the nation's $350 billion restaurant industry, several fast-casual chains are showing success and growth in Manhattan, and industry experts say it could be a sign of the sector's maturity and sustainability nationwide.
Perhaps people find it easier not to support the gay rights movement, to tell themselves that these individuals are somehow less deserving of equality under the law, because gay and lesbian individuals make up a relatively small sector of society, one which, in many communities across the nation, one hardly encounters at all, certainly not with any personal face attached to it.
"You have this relatively small sector -- collectively known as information technology -- that is enormously productive," said Kevin J. Stiroh, an economist at the Federal Reserve Bank of New York and co-author with Dale W. Jorgenson of Harvard of one of several recent studies on the subject.
The US has very low levels of tax as a proportion of GDP and consequently a relatively small government sector.
Even in a country such as the United States, which has a relatively small trade sector compared to many other nations, a "hard landing" for the world economy would negatively impact G.D.P. growth.
We've had a relatively small public sector and, because we were dependent on other people's launch vehicles, that's given us a reason for being nimble, lightweight and low cost, and we've ended up as probably the world's leader in small satellites".
In fact, as discussed in the introduction, positive concealment costs κ l >0 such that p α+κ l >z could potentially explain the puzzle of why we observe a relatively small informal sector although we, at the same time, observe rather low audit rates and fairly modest fines, i.e. p α
The events in West Warwick brought unwanted attention to a relatively small and little-known sector of the real estate industry that has been around for more than a decade but has grown rapidly in recent years.
Tourism has played a relatively small role overall, although that sector has grown in significance.
In addition, the quantity of specialized hospitals represents a relatively small segment of the hospital sector in Iran.
