In parallel with controlling the space ship, maintaining velocity, and handling mines and missiles, players always needed to monitor a stream of symbols for a dollar sign, whose second appearance indicates a bonus in the form of extra missiles or game points.
Certainly the ranking of our sample firms change when cash bonuses are included, indicating that bonuses are a significant source of remuneration.
The evidence on the effectiveness of bonuses to drive performance improvement also includes studies indicating that bonuses had no effect at all [ 31, 32].
Most Wall Street firms pay bonuses in the first quarter of each year, and the figures indicate that bonuses were much higher this year than in the same quarter of 2009.
But he seemed to indicate that bonuses must be paid.
A recent survey of almost 400 large companies by the Nihon Keizai Shimbun indicated that bonuses would be up slightly this winter, but Mr. Feldman said using that survey to predict trends in the overall economy "is tempting fate".
The state-controlled bank also risked stoking a row over bonuses in its investment banking arm by admitting that while revenue in this division was down 20%, staff costs were broadly flat, indicating that bonuses were being accrued at a faster rate than revenue was falling.
What such research indicates is that bonuses can spur on workers to do basic tasks, such as scanning in a pair of Speedos.
The share bonus scheme indicates that Steinhoff is keen to retain O'Byrne, who is understood to have had a meeting with a key shareholder in the South African firm, Christo Wiese, at the Ritz last month.
The response of the bonus group indicates that if possible discounting of the value of a delayed reward is taken into account, domestic fowl can show self-control for food.
