1. Well, obviously

2. and 3. yep. you're right. It was a Goffin/King composition, from the Pisces CD, no?  (Had to look that one up.) I could have sworn that I've read that it was (at least partially) inspired by PW, but your statement is probably closer to the truth as a direct influence. "Facts are stubborn things", Ben Franklin once said (it was BF, wasn't it?)
This site below has some nice tidbits on their CD's with song by song commentary:
http://www.thesmileshop.net/monkees.html

Bopp. Thanks Man

>----- ------- Original Message ------- -----
>From: "Sager, Greg" <greg.sager@bankofamerica.com>
>To: audities@smoe.org
>Sent: Wed, 16 May 2007 04:46:13
>
><<Date: Tue, 15 May 2007 19:09:00 -0400
>From: rob@splitsville.com
>To: audities@smoe.org, audities@smoe.org
>Subject:
>=?US-ASCII?B?UkU6IFJlOiBUaGUgR3JhdGUgRGViYXRl?=
>Message-ID:
><20070515230900.34544.qmail@mmm1912.dulles19-verio.
>com>
>
>The studio/Kirshner heard Paperback Writer, knew
>they needed a song that
>began with a riff, and came back with Pleasant
>Valley Sunday. >>
>
>
>1. "Paperback Writer" begins with the *a capella*
>chorus, not the riff.
>
>2. "Paperback Writer" was released in late May (US)
>/ early June (UK) of
>1966. "Pleasant Valley Sunday" was released as a
>pre-album single in
>mid-July 1967, well over a year later. The Monkees
>put out six other
>singles after the release of "Paperback Writer"
>before they put out
>"Pleasant Valley Sunday", which seems to indicate
>that the latter hit
>was not designed to fill a need created by the
>former.
>
>3. Don Kirshner and The Monkees parted ways long
>before "Pleasant Valley
>Sunday" came out. The last Monkees song with which
>he was involved was
>"A Little Bit Me, A Little Bit You" in the spring
>of 1967. The Monkees
>actually had quite a bit of creative autonomy by
>the time "Pleasant
>Valley Sunday" was recorded, so it's not likely
>that "the studio" was
>dictating terms to them at that point.
>
>You may be thinking of "Last Train To Clarksville"
>rather than "Pleasant
>Valley Sunday", as the liner notes in one of The
>Monkees' box sets
>claims that Boyce and Hart were at least partly
>inspired to write "LTTC"
>after listening to "Paperback Writer".
>
>By the way, you made some very solid points about
>Andy Bopp in your
>reply to Kerry Kompost.
>
>
>Greg Sager