简介:TheemergenceofB2Belectronicmarketshasgreatlychangedtherelativebargainingpowerofbuyersandsellers.Westudytheequilibriummarketstructureinabuyer’smarket.Wefindthatbuyer-controlledB2BmarketsandneutralB2Bmarketshavedifferentequilibriumstructures,andtheemergenceofB2Bmarketswillincreasesocialwelfare,butitseffectonbuyersandsellerswillbedifferent:B2Bmarketsincreasetheconsumersurplusoftheendmarket,buttheireffectsonbuyerandsellerprofitsaremoderatedbytherelativebargainingpowerofbuyersandsellers.TheprofitsofthesidewithmuchweakerbargainingpowerwilldecreaseduetotheintroductionofB2Bmarkets.
简介:TheMarcinkiewicz-Zygmundinequalitywithderivativeforanalgebraicpoly-nomialoforder≤N=(q+1)n-1isestablishedinaBαspace.Asacorollary,theMarcinkiewicz-Zygmundinequalitywithderivativeforanalgebraicpolynomialinapar-ticularOrliczspaceisobtained.
简介:摘要:电动机动平衡问题一直是电动机振动异常的原因之一,长期以来一直影响设备的平稳运行,尤其对于关键机组来说,异常的振动会造成设备故障的同时,异常停机会对生产装置的平稳运行产生较大影响。因此,解决电动机动平衡问题显得尤为重要。