Pep Guardiola critcises officiating after six-minute VAR check during Manchester City Carabao Cup victory

In a lengthy rant, Guardiola criticised the long VAR check and referenced refereeing decisions that had previously gone ...

Understanding How Fixed and Variable Costs Shape Production Costs

Discover the differences between fixed and variable costs and how they impact production costs. Learn to analyze these costs ...

Understanding Fixed vs. Variable Overhead Costs in Business

Discover the key differences between fixed and variable overhead costs and their impact on business operations. Learn how to ...
IEEE

A Variable-Frequency and Phase-Shifted Based Current Sharing Control for Parallel LLC Resonant Converters with Parameter Differences

Abstract: In order to achieve the power balance of each module in a parallel converter system, a variable-frequency (VF) and phase-shifted (PS) based current sharing control for parallel LLC resonant ...
IEEE

Coordinated Allocation of PV and Capacitors with Var Capability for Voltage Unbalance Mitigation in LV Distribution Grids

Abstract: The increased penetration of photovoltaic systems (PVs) and unbalanced loads in low-voltage (LV) distribution systems can adversely affect the overall performance of the utility grid (UG).
BBC

The inconsistency of VAR on penalties

On Saturday, Everton were adamant they should have been given a penalty. Arsenal defender William Saliba had kicked the boot of Thierno Barry. Referee Sam Barrott said no and, after some deliberation, ...
National Bureau of Economic Research

Harvesting Differences-in-Differences and Event-Study Evidence

This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...