Consider the following binary variable version of the fixed effects model. Each regressor Dj is a binary variable that equals $1$ when i $=$ j and $0$ otherwise. Note that the binary variable D$1$i for the first group is arbitrarily omitted.

Yit$=$$0$X$0,$it$+$$1$Xit$+$$1$D$1$i$+$$2$D$2$i$++$nDni$+$uit

Use the regression in the equation above and the tool palette to the right to answer the following questions. What is the slope and intercept for entity $1$ in time period $1?$

The slope of entity $1$ in time period $1$ is $\_\_\_\_\_\_\_\_\_\_.$

$($Properly format your expressions using the tools in the palette. Hover over tools to see keyboard shortcuts. E$.$g$.,$ a subscript can be created with the $\_$ character.$)$

Group of answer choices

$0$

$1$

$2$

$3$