medianGr i =ln(median hourly wage in Alberta i /cpi in Alberta i)- ln(median hourly wage in Alberta i-1 / cpimedianGr i =ln(median hourly wage in Alberta i /cpi in Alberta i)- ln(median hourly wage in Alberta i-1 / cpi medianGr i =ln(median hourly wage in Alberta i /cpi in Alberta i)- ln(median hourly wage in Alberta i-1 / cpi |