Richard Roll


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Richard Roll

An economist who researches portfolio theory and asset pricing. He was among the first to analyze how stock prices react to the announcements of particular events, such as a merger or an earnings report. See also: Price out.
References in periodicals archive ?
Richard Roll: "Labour will continue to wreck this country by not making the difficult decisions and not wanting to offend anyone.
"The principal goal of the project was to reduce inflow and infiltration, and the results have been promising, reducing chemical usage and pumping costs at the treatment plant, while also reducing wet-weather combined sewer overflow," said Richard Roll, NFWB technical services director.
Richard Roll and Graham Napier, on board Richard's boat On A Roll, had two good trips.
As Chetna, Luis, Nancy and Richard roll out their super thin sheets you'll be reminded of Lady Cassandra from Doctor Who who was just a piece of skin stretched out on a frame.
As Chetna, Luis, Nancy and Richard roll out their super-thin sheets, you'll be reminded of Lady Cassandra from Doctor Who who was just a piece of skin stretched out on a frame.
Cuddy, Richard Roll. Co-executive producers, Frank Gangi, Eric Morris.
The selected papers have been referred by the members of the scientific committee under the Presidency of Professors Richard Roll and Jose Scheinkman.
Tarun Chordia, Emory University Richard Roll, University of California, Los Angeles, and Avanidhar Subrahmanyam, "Market Liquidity and Trading Activity"
promoted Jimmy Sowell to USA sales manager...Epicor Software named Richard Roll as its president and chief operating officer...Karl Scholz was appointed as Pacline's general manager...Tompkins Associates announced several promotions including Bruce Baring as managing director of Tompkins Associates International, Mike Futch as managing partner, Industries, Dale Harmelink as managing partner, applications, Brenda Jernigan as vice president, communications, Denny McKnight as managing partner, distribution, Darrell Travis, partner, IT systems...McHugh Software International appointed Steve Tonissen to executive vice president of sales and marketing...Al Goldman will head USF Processors' new trading, liquidation, and procurements operation for the company's reverse logistics services.
Keith Brown and Richard Roll, aboard On A Roll, kept 13 fish from their trip which produced ling to 15lb for Roll and 11lb for Brown.
In the "Under 20ft Class" the winner was Richard Roll on "Stingray" with a ling of 12lb 14oz.
Rajesh Chakrabarti and Richard Roll, University of California, Los Angeles, "Learning from Others, Reacting, and Market Quality"