 First, consumers can use disclosure to amplify competition between firms . Second, consumers can share information that induces a seller---even a monopolist---to make price concessions.
<clarity>  First, consumers can use disclosure to amplify competition between firms . Second, consumers can share information that induces a seller---even a monopolist---to make price concessions.
 First, consumers can use disclosure to amplify competitive forces . Second, consumers can share information that induces a seller---even a monopolist---to make price concessions.