A number of things will prompt efficient resource allocation in a well-functioning market system. The quantity and the price of the commodities are the main aspects.
That's the 1 million dollar question which has no true answer, just opinion.
There are many different types of market systems. Depending on the economy in which the system is used it can differ greatly as to which one will work better. In short there isn't one market system that will work as a "one size fits all." Trying to find the best or most efficient market system requires more factors and information. The rest is up for debate and is quite subjective.
most cost-efficient
to use the system in a wise manner
bats have the most efficient sonar system, although dolphins come pretty close
The most efficient system would be to get an under ground drip system. this system used burried lines that feed the roots water.
The most efficient is a geo-thermal heat pump, if properly installed.
2 is the smallest prime number. The status of two as the smallest prime number is the reason that base 2 (binary) is the most efficient storage system available.
I think it is Frequency Modulation with Phase modulation which it the most bandwidth efficient
The most efficient type of hair replacement system would be hair transplant surgery. However, most people do not choose this type of system. Many go with laser hair therapy instead.
Linux
A Sprayed Polyurethane Foam (SPF) coating will be very durable and has been proven the most energy efficient roofing system on the market today.
ntfs??
The numbering system used in the Western world today is Arabic. Various numbering systems were used throughout the various cultures, but the most efficient system was developed by the Arabic culture. It features a placement system for ten symbols which will accurately denote any number.
The TGV
The superlative of efficient is "most efficient."