1 This condition is considered a Treacher Collinsâtype autosomal recessive mandibulofacial dysostosis (OMIM 248390). 2  In addition, Richieri-Costa et al and Splendore et al reported siblings with similar Treacher Collins syndrome born to parents without the condition.
The definition of productive is someone or something with a lot of things completed or someone or something that is very fertile and has abundant results. 1  An example of something that would be described as productive is a machine that cans a large volume vegetables. An example of someone who would be described as productive is a person who completes a lot of work in a short amount of time.
Productive efficiency occurs under competitive equilibrium at the minimum of average total cost for each good, such as the one shown here. Productive efficiency is a situation in which the economy could not produce any more of one good without sacrificing production of another good. In other words, productive efficiency occurs when a good or a service is produced at the lowest possible cost. The concept is illustrated on a production possibility frontier (PPF), where all points on the curve are points of productive efficiency.