The phrase "an equal exchange of" is correct and usable in written English.
It can be used when discussing a situation where two parties are giving and receiving something of similar value or importance.
Example: "In a fair trade agreement, there should be an equal exchange of goods and services between the two countries."
Alternatives: "a fair trade of" or "a balanced exchange of".
Although it seemed at first as if Fleury was instigating some basketball-style trash-talking, both men later confessed to an equal exchange of taunts.
The sale was made under an agreement negotiated the preceding April, providing for what was supposed to be an equal exchange of value, based on trading prices over the five days before Verizon forced the sale to be made.
He said that President Bush had spoken about ending the occupation that began in 1967, but that Mr. Obama's formulation suggested an equal exchange of territory in a final deal.
Gambling can seem like a different matter, since instead of entering into an equal exchange of cash for merchandise, you and the casino are actively trying to beat each other out of as much money as possible.
The change can be seen in the notion of the "balance of trade," which went from being an equal exchange of goods between states to a competition between trading nations that encouraged their mutual productivity and innovation.
The media shows there's roughly an equal exchange of fire between the two sides but it doesn't show how much stronger the Israeli military capability is.
Huygens refused to define equality of chances as a fundamental presumption of a fair game but derived it instead from what he saw as a more basic notion of an equal exchange.
Trade implies a somewhat equal exchange of goods and services, between parties.
It's very rich, it's a very equal exchange of energy, it's creative, it's supportive on both sides.
Compare this to eukaryotic sex: the equal exchange of whole genomes via meiosis.
"It's a betrayal," said Rink Dickinson, president of Equal Exchange, a pioneer importer of fair trade coffee, chocolate, tea and bananas, based in Massachusetts.
