Lining up for charity

Attention! V1 Neurons Lining Up for Inspection

In this issue of Neuron, Roelfsema and Spekreijse report that macaque V1 neuron responses are correlated with target choice in a task requiring monkeys to attentively trace a line to plan a saccade. These results provide evidence that V1 is actively involved in the interpretation of visual stimuli.

Lining-Up Control Strategies for N-trailer Vehicles

Maneuvers performed with tractor-trailers vehicles (N-trailers) belong to the most demanding motion control tasks in the transportation practice. Very frequent maneuvers concern the lining-up process of a vehicle chain, usually as a preliminary stage which prepares the system to subsequent parking/docking maneuvers. The most common lining-up control approach results from utilization of the open...

Customers lining up for high-cost hyperbaric therapy.

"Bucket auctions" for charity

a r t i c l e i n f o a b s t r a c t Donations in-kind can be a mixed blessing for charities, who are often more adept at solicitation than resale. Many organizations rely on raffles to turn donations into cash, but auctions are also common. Theory predicts that all-pay mechanisms should produce more revenue than winner-pay mechanisms, but the empirical literature is thin and inconclusive. Dra...

Lining Up: Survey and Administrative Data Estimates of Wealth Concentration

The Survey of Consumer Finances (SCF) has a dual-frame sample design that supplements a standard area-probability frame with a sample of observations drawn from statistical records derived from tax returns. The tax-based frame is stratified on the basis of a “wealth index” constructed largely from observed income flows, with the intent of heavily oversampling wealthy households. Although the SC...