However, tax evasion and avoidance are key contributors to Tanzania's development setbacks.
"Mediocre management and lack of clinical leadership were key contributors to the tragedy at Mid Staffs.
Employment is one of the key contributors to healthy communities and a prosperous economy.
Such consequences of a falling share of the national income for 99% of the US population were key contributors to the current crisis – and are key contributors to its depth and duration.
Many people are aware that a weak legal framework and rampant corruption are key contributors to this dearth of security.
Indeed, moderates have historically been key contributors to both the debate and the practice of effective drug policy.
Hedge funds, seen by many observers as key contributors to the near-collapse of the global financial system, merit just 29 mentions in the 122-page report.
Fertilizer and pesticide runoffs from the U.S. Corn Belt are key contributors to "dead zones" in the Gulf of Mexico and along the Atlantic Coast.
Medical care, which makes up more than 9 percent of the core, has been one of the key contributors to the low inflation early in the year.
It suggested that key contributors to this were unnecessarily strict sell-by dates, poor storage, promotional offers and consumer demand for cosmetically perfect food.
Moreover, technicians are key contributors to breakthrough publications, but not to overall productivity.
