The £2-a-week price of the paywall is so low it can't go much lower to boost the numbers – it amounts to another Murdoch price cut in effect – but it also looks as if it can't go much higher without risking defections.
"There is absolutely zero risk for defection," Professor Lee said.
Extremist groups also seem to weigh carefully the costs and benefits of their ideologies and terror strategies.He also argues that extremist groups are likely to be especially efficient at running a militia, because militias are prone to the risk of defection.
Using longitudinal data for a sample of 650 mobile phone consumers and a split-population hazard model that accounts for the notion that some customers are never at risk of defection, the authors show that both the focal firm's (incumbent) and the competitors' price and mass advertising exert a significant influence on the probability of terminating an existing incumbent relationship.
Sending troops into Syria brings the risk of defection to Da'esh by soldiers who already share its Salafist world view, putting international security under further threat.
First, the risk of defection discourages costly commodity barter.
Two potential explanations for this puzzling behavior are that chimpanzees lack ownership norms, and thus have limited opportunity to benefit from the gains of trade, and that chimpanzees' risk of defection is sufficiently high that large gains must be imminent to justify the risk.
Since the ANC dominates the national parliament with 266 members, it risks a defection only if 26 of them jump at once.
On Tuesday, U.M.P. luminaries urged Mr. Copé to embrace a more inclusive tone or risk possible defections to a recently founded centrist party — the Union for Democrats and Independents, headed by Jean-Louis Borloo, a former Sarkozy minister who quit the U.M.P. last year in protest of the party's lurch to the right.
After crossing the border into China, as most defectors do, he spent nearly a year working in atrocious conditions to pay off his debt to the snakehead who got him there, living under the constant threat of arrest.The risks of defection are enormous.
