Chung, Doug J., Das Narayandas, and Dongkyu Chang. "The Effects of Quota Frequency: Sales Performance and Product Focus." Management Science 67, no. 4 (April 2021): 2151–2170.

However, at about that same time, the first efforts were made to develop alternative non-random quota sampling methods. Quota samples are non-probability samples that are controlled to be distributed ...

OPEC+ energy ministers will hold a call to discuss the importance of adhering to oil production quotas, as overproduction by ...