Possible mass arrival of new immigrants to a country as a result of flexibility in immigration policies.

(sciences, economics) Something that occurs only once a critical threshold has been reached.

(business) The idea that production costs decrease by a constant percentage whenever production doubles, attributed to improvements in performance as a result of frequent repetition.

A particular state of the rights in consequence of a defined state or course of things. / The having any influence on the legal state of things, the being legally in force.

The capacity to see full-color (if muted) images solely by looking at a photograph with red and gray wavelengths.

(economics) The theory that consumers are more willing to buy less costly luxury goods during economic crises.

A problem-solving mindset displayed where a simpler solution for solving a particular problem type is not noticed due to thinking being fixed into a particular logic pattern by earlier repetitions of similar solutions.

(informal) The large boost in sales or popularity of products and services endorsed by Oprah Winfrey on her television chat show.

(US, politics) A theory concerning observed discrepancies between opinion polls and election outcomes, according to which some white voters who intend to vote for a white candidate may tell pollsters that they are undecided or likely to vote for a non-white candidate, for fear of being accused of racism.

(US, politics) Synonym of Bradley effect (“theory about white voters and polling”)