Research shows that the desire to win is heightened when rivalry and time pressure coincide, and the simple act of measuring something sparks that sense of rivalry in many people.
Analysts said the move heightened the rivalry between Nokia and Apple at the high end of the mobile phone business.
AT&T and Verizon's plans to build next-generation wireless networks on the spectrum using a technology that will compete with WiMax, called Long Term Evolution or LTE, heightened the rivalry, say analysts.
At the end of a messy few months that has, at times, heightened the rivalry between the two rugby codes, there will be relief that there has been a conclusion six months after Sale announced the signing.
In 1914, following the assassination of Archduke Franz Ferdinand, in Sarajevo, the European powers blundered into war because of decisions they had made, and commitments they had taken on, during the years of heightening rivalry.
The Mets have 18 chances against the Phillies to avenge losing their division crown, and the addition of Santana figures to heighten the rivalry.
Now, Chrome heightens the rivalry and marks a shift for Google, which has strongly backed Firefox, the open-source browser that has gained about a fifth of the market against the dominant Internet Explorer.
In a move that would heighten the rivalry among top-tier Internet search engines, Yahoo Inc. on Monday agreed to pay about $1.6 billion in stock and cash for Overture Services Inc., a Pasadena company that pioneered charging for prime advertising space in Internet search results.
And the close-to-home rivalry heightened the passion.
Declining support for the governing party has heightened the personal rivalry between Mr. Najib and Anwar Ibrahim, the opposition leader facing sodomy charges.
Indiscipline, heightened by personal rivalries, created a string of difficulties for the party and its leader.
