When gas is cheap, technologies like wind and solar power seem less attractive; in recent years, the extraction process known as fracking has contributed to a drop in the price of natural gas.
With smartphones winning over more buyers in emerging markets sales of feature phones were down 14percentnt in the quarter, which Gartner said contributed to a drop in overall sales of mobile phones during the quarter.
Due to the unit's high rate of flying activities, No. 6 Squadron's Hudsons increasingly suffered from mechanical problems, and this may have contributed to a drop in the number of hours flown by the squadron from March 1943.
While these allegations were never proven and UNICEF provided evidence such as WHO certificates and certificates of vaccine quality issued by the Belgrade-based Torlak Institute, this event has significantly contributed to a drop in the rate of vaccinated children.
Injuries in the middle of his career contributed to a drop in his playing ability; as a result, he was traded on three occasions in the off-seasons between 1992 and 1994 to the Quebec Nordiques, the New York Islanders and then back to the Flyers.
That, along with sales by foreigners, has contributed to a drop in stock prices -- further eroding the value of investment portfolios.
Ms. Welsh said that the online media were contributing to a drop in readership of mainstream newspapers, which are facing increasing commercial pressure to include alternative voices, despite the government regulations.
A third of the FPs (contributing to a drop in precision) is due to mistakes of the PPI module.
