Is Variation in Hours of Work Driven by Supply or Demand? Evidence from Finnish Manufacturing Industries

This paper uses panel data from 1989 to 1995 on blue-collar workers in Finnish manufacturing industries and their establishments to assess the extent to which hours of work are affected by individual or establishment characteristics - observed as well as unobserved. We argue that recent research on working hours has focused almost exclusively on the supply of labor, but that insights into the extent to which hours variation is driven not by supply but by demand will affect the likelihood that supply-side policies will succeed. Our estimates suggest that both individual and establishment characteristics matter, but that establishment level effects account for the bulk of the variation in hours.labour supply, labour demand, employment

Intergenerational mobility of socio-economic status in comparative perspective

This paper reviews three strands of literature on socio-economic intergenerational mobility. The first is a mostly recent and rapidly growing economics literature that measures mobility in labour earnings and income. This approach is compared with two classical sociological approaches that measure the mobility in class and status. The United States seems to rank quite high in terms of class and status mobility, but low in terms of earnings and income mobility. This seemingly contradictory result can be accounted for by lower earnings mobility within occupations in the United States.

Alleviating unemployment traps in Finland: Can the efficiency-equity trade-off be avoided?

Using a new comprehensive tax-benefit model, JUTTA, this paper examines how labour supply incentives – both to participate in the labour force (the “extensive” margin) and to supply extra hours of work (the “incentive” margin) – have changed in Finland in 1995-2007. The results reveal that the average participation tax rate has decreased by 10 percentage points to 62 per cent. Despite the significant improvement in incentives, some of the unemployed who have children, especially single parents, are still in an unemployment trap, i.e. the disposable family income does not significantly increase if the person is employed. We therefore present simulations where the social security system is reformed, without reducing minimum benefits, so that the income dependence of some of the benefits is reduced. This reform redistributes income to the poor and, at the same time, improves the incentives to participate in the labour force. We also compare the effects of this policy with those of a set of more traditional type of policies, consisting of across-the-board tax cuts and increases in income support.microsimulation, labour supply, extensive margin, efficiency-equity trade-off

Energy saving market for mobile operators

Ensuring seamless coverage accounts for the lion's share of the energy consumed in a mobile network. Overlapping coverage of three to five mobile network operators (MNOs) results in enormous amount of energy waste which is avoidable. The traffic demands of the mobile networks vary significantly throughout the day. As the offered load for all networks are not same at a given time and the differences in energy consumption at different loads are significant, multi-MNO capacity/coverage sharing can dramatically reduce energy consumption of mobile networks and provide the MNOs a cost effective means to cope with the exponential growth of traffic. In this paper, we propose an energy saving market for a multi-MNO network scenario. As the competing MNOs are not comfortable with information sharing, we propose a double auction clearinghouse market mechanism where MNOs sell and buy capacity in order to minimize energy consumption. In our setting, each MNO proposes its bids and asks simultaneously for buying and selling multi-unit capacities respectively to an independent auctioneer, i.e., clearinghouse and ends up either as a buyer or as a seller in each round. We show that the mechanism allows the MNOs to save significant percentage of energy cost throughout a wide range of network load. Different than other energy saving features such as cell sleep or antenna muting which can not be enabled at heavy traffic load, dynamic capacity sharing allows MNOs to handle traffic bursts with energy saving opportunity.Comment: 6 pages, 2 figures, to be published in ICC 2015 workshop on Next Generation Green IC